tree 6dd2cdd79b157e7219890f79c65a0bcb5ccc675b
parent 62e3c7d871852a23cb5b2dbd7c74f7d5e150f7ea
author Jamie McCrae <jamie.mccrae@nordicsemi.no> 1702546863 +0000
committer Josh Lilly <126111723+jgl-meta@users.noreply.github.com> 1704834592 -0800

sysbuild: kconfig: Unset shield config value variable

Fixes an issue with shields that have Kconfig file fragments when
being used with sysbuild, they would be loaded into sysbuild
itself which would then fail because it does not have the Kconfig
tree that zephyr applications have

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
(cherry picked from commit 49f9d8e19c29bd5661bfb5e49c0a4c04871eb054)