Change in coreboot[master]: soc/mediatek/mt8195: add eDP support

[Rex-BC Chen (Code Review)]

Attention is currently required from: jitao shi.
Hello Hung-Te Lin, build bot (Jenkins), jitao shi, Yu-Ping Wu,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/55573

to look at the new patch set (#4).

Change subject: soc/mediatek/mt8195: add eDP support
......................................................................

soc/mediatek/mt8195: add eDP support

BUG=b:189985956

Signed-off-by: Jitao Shi 
Signed-off-by: Rex-BC Chen 
Change-Id: I37326ad053295aa4944c8291e4e7a7d69c8f3f63
---
M src/soc/mediatek/mt8195/Makefile.inc
A src/soc/mediatek/mt8195/dp_intf.c
A src/soc/mediatek/mt8195/dptx.c
A src/soc/mediatek/mt8195/dptx_hal.c
A src/soc/mediatek/mt8195/include/soc/dp_intf.h
A src/soc/mediatek/mt8195/include/soc/dptx.h
A src/soc/mediatek/mt8195/include/soc/dptx_hal.h
A src/soc/mediatek/mt8195/include/soc/dptx_reg.h
8 files changed, 7,450 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/73/55573/4