[XS] Change in coreboot[main]: mb/google/nissa/var/anraggar: Update touchscreen enable pin to GPP_C0

[Qinghong Zeng (Code Review)]

Attention is currently required from: Dinesh Gehlot, Kapil Porwal, Nick Vaccaro, Paul Menzel, Subrata Banik.

Qinghong Zeng has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81265?usp=email )

Change subject: mb/google/nissa/var/anraggar: Update touchscreen enable pin to GPP_C0
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Patch Set 5:

(5 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/81265/comment/afedde26_e6936fba :
PS4, Line 7: Assign GPP_C0 as TouchScreen enable pin
> Maybe: […]

Done

https://review.coreboot.org/c/coreboot/+/81265/comment/a18f33ae_66514d67 :
PS4, Line 7: TouchScreen
> touchscreen

Done

https://review.coreboot.org/c/coreboot/+/81265/comment/cc7c3136_d080ae17 :
PS4, Line 9: effectively
           : reduce the power consumption
> Please add the measurements.

Done

https://review.coreboot.org/c/coreboot/+/81265/comment/b8a5672f_1dcdfd04 :
PS4, Line 10: Suspend
> suspend (S0ix?)

Yes

https://review.coreboot.org/c/coreboot/+/81265/comment/f71c2cff_0d1066a1 :
PS4, Line 11:
> What is the source of this change? Schematics? Why was GPP_C6 used before?

Yes, the schematic has been changed. GPP_C6 was used before for code integrity. GPP_C6 has no actual VDD enable control function.