Some bridge chip or panel requires dsi signal output before dsi
receiver works.
BUG=b:168728787
BRANCH=kukui
TEST=Display is normal on Kukui
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
Change-Id: I3bded27087490f32ee233e615cfad1fd05fb582d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47380
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>