[S] Change in coreboot[main]: mb/google/rauru: Configure firmware display for eDP panel

[Nancy Lin (Code Review)]

Attention is currently required from: Hung-Te Lin, Jarried Lin, Nancy Lin, Paul Menzel.

Nancy Lin has uploaded a new patch set (#4) to the change originally created by Jarried Lin. ( https://review.coreboot.org/c/coreboot/+/85952?usp=email )

The following approvals got outdated and were removed:
Verified+1 by build bot (Jenkins)

Change subject: mb/google/rauru: Configure firmware display for eDP panel
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mb/google/rauru: Configure firmware display for eDP panel

Add eDP panel power-on sequences and initialize the display in
the ramstage.

TEST=Build pass, the firmware screen displays correctly.
BUG=b:343351631, b:353464237

Signed-off-by: Nancy Lin 
Change-Id: Ic928b2478c41ccd03223fd2b73d9e81d303a2036
---
M src/mainboard/google/rauru/Kconfig
M src/mainboard/google/rauru/mainboard.c
2 files changed, 14 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/52/85952/4