[M] Change in coreboot[main]: mb/google/rauru: Add panel driver in mainboard

[Bincai Liu (Code Review)]

Attention is currently required from: Hung-Te Lin, Jarried Lin, Yidi Lin, Yu-Ping Wu.

Bincai Liu has posted comments on this change by Jarried Lin. ( https://review.coreboot.org/c/coreboot/+/85951?usp=email )

Change subject: mb/google/rauru: Add panel driver in mainboard
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Patch Set 7:

(3 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/85951/comment/4061e70a_f96890b2?usp... :
PS2, Line 7: mb/google/rauru: Add edp driver in mainboard
           : 
           : Add edp driver
           : Adjust training flow and turn off phy power beforce phy
           : configurate because maby link training fail
> I think Yidi was asking to modify the commit message

Done

File src/mainboard/google/rauru/panel_navi.c:

PS2:
> Here is different, where the Navi function is called when FW config is oled. […]

Done

https://review.coreboot.org/c/coreboot/+/85951/comment/5a64a482_36cf3441?usp... :
PS2, Line 15: struct panel_description *get_navi_description(void);
> Yes, create a new header.

Done