Guard macro via CONFIG_INTEL_GMA_ADD_VBT, rather than guarding
each of the calls to it (most of which are currently unguarded).
Test: build google/coral w/ and w/o CONFIG_INTEL_GMA_ADD_VBT selected,
verify VBTs added (or not) to CBFS based on Kconfig selection.
Change-Id: Ic25554cb2c61b81bdb4b0987094c3558e0bbcbd8
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61768
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>