This fixes a clang warning. Change-Id: I017ed8601e6ec4c66487e9a6f31e93251515e686 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/74554 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com> Reviewed-by: Yu-Ping Wu <yupingso@google.com>