Add VBT file extracted from vendor (AMI) firmware,
use by default to ensure functional display after
resume from S3 when using libgfxinit.

Test: build/boot Librem 13v2/3/4,15v3/4 boards, verify
functional display after resume from S3 when using libgfxinit.

Signed-off-by: Matt DeVillier <matt.devillier@puri.sm>
Change-Id: I6bc5dab60e3601d56dae4300efee255d7c58329d