This config has no use for EFI builds, so guard it as such.
Change-Id: I6a25533d716f8d46f69d9eb518e8a07f20050839
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/90060
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-by: Filip Lewiński <filip.lewinski@3mdeb.com>
Reviewed-by: Walter Sonius <walterav1984@gmail.com>