images: add SPDX-License-Identifiers

They have no explicit license and thus have the project's license:
GPL-2.0-only. Record this.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20220103120539.1730644-5-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

21 files changed, 30 insertions, 1 deletions

diff --git a/images/Makefile.am33xx b/images/Makefile.am33xx
index 1de2474df5..add676117c 100644
--- a/images/Makefile.am33xx
+++ b/images/Makefile.am33xx
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 
 # %.mlo - convert into mlo image
 # ----------------------------------------------------------------
diff --git a/images/Makefile.am35xx b/images/Makefile.am35xx
index 6d30baee64..d5371d9e11 100644
--- a/images/Makefile.am35xx
+++ b/images/Makefile.am35xx
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 
 # %.mlo - convert into mlo image
 # ----------------------------------------------------------------
diff --git a/images/Makefile.ar231x b/images/Makefile.ar231x
index 31b9704866..8992bc0fd0 100644
--- a/images/Makefile.ar231x
+++ b/images/Makefile.ar231x
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
 pblb-$(CONFIG_BOARD_NETGEAR_WG102) += start_netgear_wg102
 FILE_barebox-netgear-wg102.img = start_netgear_wg102.pblb
 image-$(CONFIG_BOARD_NETGEAR_WG102) += barebox-netgear-wg102.img
diff --git a/images/Makefile.at91 b/images/Makefile.at91
index c7a2209e00..71cc959f5d 100644
--- a/images/Makefile.at91
+++ b/images/Makefile.at91
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # barebox image generation Makefile for AT91 images
 #
diff --git a/images/Makefile.ath79 b/images/Makefile.ath79
index 072062b0aa..018c2223ce 100644
--- a/images/Makefile.ath79
+++ b/images/Makefile.ath79
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
 pblb-$(CONFIG_SOC_QCA_AR9331) += start_ar9331_spi_trap
 FILE_barebox-ar9331-spi-trap.img = start_ar9331_spi_trap.pblb
 image-$(CONFIG_SOC_QCA_AR9331) += barebox-ar9331-spi-trap.img
diff --git a/images/Makefile.bcm283x b/images/Makefile.bcm283x
index 3fd2c3d06a..82787f972c 100644
--- a/images/Makefile.bcm283x
+++ b/images/Makefile.bcm283x
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # barebox image generation Makefile for BCM283x images
 #
@@ -16,4 +17,4 @@ image-$(CONFIG_MACH_RPI3) += barebox-raspberry-pi-3.img
 
 pblb-$(CONFIG_MACH_RPI_CM3) += start_raspberry_pi_cm3
 FILE_barebox-raspberry-pi-cm3.img = start_raspberry_pi_cm3.pblb
-image-$(CONFIG_MACH_RPI_CM3) += barebox-raspberry-pi-cm3.img
\ No newline at end of file
+image-$(CONFIG_MACH_RPI_CM3) += barebox-raspberry-pi-cm3.img
diff --git a/images/Makefile.bcm47xx b/images/Makefile.bcm47xx
index 839243e3a8..569a2b0ed1 100644
--- a/images/Makefile.bcm47xx
+++ b/images/Makefile.bcm47xx
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
 pblb-$(CONFIG_BOARD_DLINK_DIR320) += start_dlink_dir_320
 FILE_barebox-dlink-dir-320.img = start_dlink_dir_320.pblb
 image-$(CONFIG_BOARD_DLINK_DIR320) += barebox-dlink-dir-320.img
diff --git a/images/Makefile.imx b/images/Makefile.imx
index d5476a326b..1dffab989e 100644
--- a/images/Makefile.imx
+++ b/images/Makefile.imx
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # barebox image generation Makefile for i.MX images
 #
diff --git a/images/Makefile.layerscape b/images/Makefile.layerscape
index 806c09d8fb..a180c230c7 100644
--- a/images/Makefile.layerscape
+++ b/images/Makefile.layerscape
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # barebox image generation Makefile for NXP Layerscape images
 #
diff --git a/images/Makefile.loongson b/images/Makefile.loongson
index f5918b5407..75c20bf4bc 100644
--- a/images/Makefile.loongson
+++ b/images/Makefile.loongson
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
 pblb-$(CONFIG_BOARD_LOONGSON_TECH_LS1B) += start_loongson_ls1b
 FILE_barebox-loongson-ls1b.img = start_loongson_ls1b.pblb
 image-$(CONFIG_BOARD_LOONGSON_TECH_LS1B) += barebox-loongson-ls1b.img
diff --git a/images/Makefile.malta b/images/Makefile.malta
index 96d7b86b11..87866f08ac 100644
--- a/images/Makefile.malta
+++ b/images/Makefile.malta
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
 quiet_cmd_bswap32_image = BSWAP4  $@
       cmd_bswap32_image = cp $< $@ && \
 			  truncate -s %4 $@ && \
diff --git a/images/Makefile.mvebu b/images/Makefile.mvebu
index 112227424b..7c918cb9f1 100644
--- a/images/Makefile.mvebu
+++ b/images/Makefile.mvebu
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # barebox image generation Makefile for Marvell mvebu
 #
diff --git a/images/Makefile.mxs b/images/Makefile.mxs
index ceb7b376a5..87549afe48 100644
--- a/images/Makefile.mxs
+++ b/images/Makefile.mxs
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # barebox image generation Makefile for MXS images
 #
diff --git a/images/Makefile.omap3 b/images/Makefile.omap3
index 4d87b1da26..f8ecb68684 100644
--- a/images/Makefile.omap3
+++ b/images/Makefile.omap3
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
 # %.mlo - convert into mlo image
 # ----------------------------------------------------------------
 quiet_cmd_omap3_mlo_image = MLO     $@
diff --git a/images/Makefile.rockchip b/images/Makefile.rockchip
index 19980914b2..0a485cad24 100644
--- a/images/Makefile.rockchip
+++ b/images/Makefile.rockchip
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # barebox image generation Makefile for Rockchip images
 #
diff --git a/images/Makefile.socfpga b/images/Makefile.socfpga
index 26220178af..90e3c066dc 100644
--- a/images/Makefile.socfpga
+++ b/images/Makefile.socfpga
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # barebox image generation Makefile for Altera socfpga
 #
diff --git a/images/Makefile.tegra b/images/Makefile.tegra
index f5b5841e06..97a92f321c 100644
--- a/images/Makefile.tegra
+++ b/images/Makefile.tegra
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # barebox image generation Makefile for Tegra images
 #
diff --git a/images/Makefile.vexpress b/images/Makefile.vexpress
index d2af191845..11c49cca0c 100644
--- a/images/Makefile.vexpress
+++ b/images/Makefile.vexpress
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # barebox image generation Makefile for VExpress images
 #
diff --git a/images/Makefile.xburst b/images/Makefile.xburst
index 6c63a5657b..13ed130672 100644
--- a/images/Makefile.xburst
+++ b/images/Makefile.xburst
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
 pblb-$(CONFIG_BOARD_CI20) += start_img_ci20
 FILE_barebox-img-ci20.img = start_img_ci20.pblb
 image-$(CONFIG_BOARD_CI20) += barebox-img-ci20.img
diff --git a/images/Makefile.zynq b/images/Makefile.zynq
index b00e748697..3e61ad6eb6 100644
--- a/images/Makefile.zynq
+++ b/images/Makefile.zynq
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # barebox image generation Makefile for Xilinx Zynq images
 #
diff --git a/images/piggy.S b/images/piggy.S
index c2274ebac7..654933ea2f 100644
--- a/images/piggy.S
+++ b/images/piggy.S
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
         .section .piggydata,"a"
         .globl  input_data
 input_data: