Change in coreboot[master]: sc7180: Add display support for mipi panels

[Vinod Polimera (Code Review)]

Attention is currently required from: Ravi kumar, Shelley Chen, Julius Werner, Mars Chen, mturney mturney.
Vinod Polimera has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/52662 )

Change subject: sc7180: Add display support for mipi panels
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Patch Set 22:

(1 comment)

File src/mainboard/google/trogdor/mainboard.c:

https://review.coreboot.org/c/coreboot/+/52662/comment/4059f000_ea338997 
PS22, Line 106: get_panel_config
> If we want to implement more panel, we will modify ramstage info to Makefile. […]

You can append new panels info to the same panel_driver.c and attach it to the get_panel_config().
I have just added an sample panel info in panel_driver.