`src/mainboard/*/common` doesn't need a Kconfig.name, so don't check
for one.
Change-Id: I6c69c174287f7f068e28ed9c33b9b5542c87ca60
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/89051
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
