[Buildroot] [git commit branch/2022.02.x] package/linux: don't leak host timezone into linux version string

[Peter Korsgaard]

commit: https://git.buildroot.net/buildroot/commit/?id=cf73aec91471e00fa7cc889045288b43bb4d6d28
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2022.02.x

Signed-off-by: Nuno Gonçalves <nunog at fr24.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998 at free.fr>
(cherry picked from commit a848418db4f956486a17dedc08f09803b26c84a1)
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
 linux/linux.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/linux/linux.mk b/linux/linux.mk
index ffe68ded9d..1b54fb561d 100644
--- a/linux/linux.mk
+++ b/linux/linux.mk
@@ -162,7 +162,7 @@ LINUX_MAKE_ENV += \
 	KBUILD_BUILD_VERSION=1 \
 	KBUILD_BUILD_USER=buildroot \
 	KBUILD_BUILD_HOST=buildroot \
-	KBUILD_BUILD_TIMESTAMP="$(shell LC_ALL=C date -d @$(SOURCE_DATE_EPOCH))"
+	KBUILD_BUILD_TIMESTAMP="$(shell LC_ALL=C TZ='UTC' date -d @$(SOURCE_DATE_EPOCH))"
 endif
 
 # gcc-8 started warning about function aliases that have a