Add VBT file, and override use via Kconfig since all Reef variants
use the same VBT file.
VBT extracted from firmware in ChromeOS recovery image.
Test: built/boot google/reef w/FSP display init
Change-Id: I31156ec7371c0443719fdd9ddac6ed4960c83767
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40926
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
bc26e77170