kconfig: update to Linux 5.13-rc1

The previous sync was Linux 5.9-rc2.

Resync scripts/kconfig/ with Linux 5.13-rc1.

Highlights:

 - make header names in include/config/ and CONFIG symbols match
   (scripts/basic/fixdep.c was adjusted)

 - remove all 'option' syntax
   (common/Kconfig was adjusted)

 - introduce KCONFIG_DEFCONFIG_LIST instead of 'option defconfig_list'

 - bug fixes and cleanups of nconfig

 - drop Qt4 support from xconfig

 - bug fixes, improvements, cleanups of xconfig

 - print a short log for syncconfig

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.barebox.org/20210530145842.2610109-2-masahiroy@kernel.org
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 6 insertions, 3 deletions

diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index 19857d18d8..911c72a2db 100755
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -21,7 +21,7 @@
 #  1. Boot up the kernel that you want to stream line the config on.
 #  2. Change directory to the directory holding the source of the
 #       kernel that you just booted.
-#  3. Copy the configuraton file to this directory as .config
+#  3. Copy the configuration file to this directory as .config
 #  4. Have all your devices that you need modules for connected and
 #      operational (make sure that their corresponding modules are loaded)
 #  5. Run this script redirecting the output to some other file
@@ -481,7 +481,7 @@ sub parse_config_depends
 # The idea is we look at all the configs that select it. If one
 # is already in our list of configs to enable, then there's nothing
 # else to do. If there isn't, we pick the first config that was
-# enabled in the orignal config and use that.
+# enabled in the original config and use that.
 sub parse_config_selects
 {
     my ($config, $p) = @_;
@@ -593,7 +593,10 @@ while ($repeat) {
 }
 
 my %setconfigs;
-my @preserved_kconfigs = split(/:/,$ENV{LMC_KEEP});
+my @preserved_kconfigs;
+if (defined($ENV{'LMC_KEEP'})) {
+	@preserved_kconfigs = split(/:/,$ENV{LMC_KEEP});
+}
 
 sub in_preserved_kconfigs {
     my $kconfig = $config2kfile{$_[0]};