arch: add SPDX-License-Identifier to all headers

Record GPL-2.0-only as license for all files lacking an explicit license
statement.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20220103120539.1730644-9-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

11 files changed, 22 insertions, 0 deletions

diff --git a/arch/arm/boards/archosg9/archos_features.h b/arch/arm/boards/archosg9/archos_features.h
index 5769c6c668..f46b9e9eb8 100644
--- a/arch/arm/boards/archosg9/archos_features.h
+++ b/arch/arm/boards/archosg9/archos_features.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ARCHOS_FEATURES_H
 #define __ARCHOS_FEATURES_H
 
diff --git a/arch/arm/boards/archosg9/mux.h b/arch/arm/boards/archosg9/mux.h
index 4ee5415871..d4b0c9da86 100644
--- a/arch/arm/boards/archosg9/mux.h
+++ b/arch/arm/boards/archosg9/mux.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _MUX_H
 #define _MUX_H
 
diff --git a/arch/arm/boards/at91rm9200ek/config.h b/arch/arm/boards/at91rm9200ek/config.h
index 5f4f6fe1ae..a3a0be18ec 100644
--- a/arch/arm/boards/at91rm9200ek/config.h
+++ b/arch/arm/boards/at91rm9200ek/config.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
diff --git a/arch/arm/boards/beaglebone/beaglebone.h b/arch/arm/boards/beaglebone/beaglebone.h
index a4f48e5b0b..9f1f906699 100644
--- a/arch/arm/boards/beaglebone/beaglebone.h
+++ b/arch/arm/boards/beaglebone/beaglebone.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __BOARD_BEAGLEBONE_H
 #define __BOARD_BEAGLEBONE_H
 
diff --git a/arch/arm/boards/ebv-socrates/sequencer_auto.h b/arch/arm/boards/ebv-socrates/sequencer_auto.h
index 59aa9cf816..d52e19548a 100644
--- a/arch/arm/boards/ebv-socrates/sequencer_auto.h
+++ b/arch/arm/boards/ebv-socrates/sequencer_auto.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #define __RW_MGR_ac_mrs1 0x04
 #define __RW_MGR_ac_mrs3 0x06
 #define __RW_MGR_ac_write_bank_0_col_0_nodata_wl_1 0x1C
diff --git a/arch/arm/boards/ebv-socrates/sequencer_defines.h b/arch/arm/boards/ebv-socrates/sequencer_defines.h
index 1ebbc48011..bef98641aa 100644
--- a/arch/arm/boards/ebv-socrates/sequencer_defines.h
+++ b/arch/arm/boards/ebv-socrates/sequencer_defines.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _SEQUENCER_DEFINES_H_
 #define _SEQUENCER_DEFINES_H_
 
diff --git a/arch/arm/boards/friendlyarm-mini6410/config.h b/arch/arm/boards/friendlyarm-mini6410/config.h
index ee38192041..87b6ea4a29 100644
--- a/arch/arm/boards/friendlyarm-mini6410/config.h
+++ b/arch/arm/boards/friendlyarm-mini6410/config.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /* FriendlyARM Mini6410 specific global settings */
 
 #ifndef _MINI6410_CONFIG_H_
diff --git a/arch/arm/boards/friendlyarm-tiny210/config.h b/arch/arm/boards/friendlyarm-tiny210/config.h
index 86aedf0a64..7437e6bddd 100644
--- a/arch/arm/boards/friendlyarm-tiny210/config.h
+++ b/arch/arm/boards/friendlyarm-tiny210/config.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #define S5PCXX_CLOCK_REFERENCE 24000000
 
 #define set_pll(mdiv, pdiv, sdiv)	(1<<31 | mdiv<<16 | pdiv<<8 | sdiv)
diff --git a/arch/arm/boards/friendlyarm-tiny6410/config.h b/arch/arm/boards/friendlyarm-tiny6410/config.h
index 04f68579ed..22692a3025 100644
--- a/arch/arm/boards/friendlyarm-tiny6410/config.h
+++ b/arch/arm/boards/friendlyarm-tiny6410/config.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /* FriendlyARM Tiny6410 specific global settings */
 
 #ifndef _TINY6410_CONFIG_H_
diff --git a/arch/arm/boards/raspberry-pi/lowlevel.h b/arch/arm/boards/raspberry-pi/lowlevel.h
index 9ef9135b2d..eacf973fb6 100644
--- a/arch/arm/boards/raspberry-pi/lowlevel.h
+++ b/arch/arm/boards/raspberry-pi/lowlevel.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ARCH_ARM_BOARDS_LOWLEVEL_H__
 #define __ARCH_ARM_BOARDS_LOWLEVEL_H__
 
diff --git a/arch/arm/boards/skov-imx6/version.h b/arch/arm/boards/skov-imx6/version.h
index 008410490b..a5d205fe2e 100644
--- a/arch/arm/boards/skov-imx6/version.h
+++ b/arch/arm/boards/skov-imx6/version.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __SKOV_VERSION_H
 #define __SKOV_VERSION_H