Simplify some operations to get rid of unnecessary assignments. Change-Id: I02c93d42ce1de693d5d58fd9a29ccd5bff0f5978 Signed-off-by: Felix Singer <felix.singer@secunet.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/56609 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>