oldconfig is regularly used to clean up templates that sometimes contain
duplicates or old symbols.
Since it cleans up the config, it doesn't need to fail on issues.
Change-Id: Ife0e9e3b9bfdde1eb6be0e2e38e81b9042cb7950
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/13687
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
4ed5cb3fb3