Steelix uses ps8640 for board revision < 2, and uses anx7625 for newer
revisions. So we use board_id to distinguish anx7625 and ps8640.
BUG=b:242018373
TEST=firmware bootsplash is shown on eDP panel of steelix.
Change-Id: Ia6907d2e6e290375946afb13176ab9a26dedd671
Signed-off-by: Zanxi Chen <chenzanxi@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66650
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Yidi Lin <yidilin@chromium.org>
492ce25475