[coreboot-gerrit] Change in coreboot[master]: mb/google/guybrush: Update GPIO configuration

[Martin Roth (Code Review)]

Attention is currently required from: Furquan Shaikh, Marshall Dawson, Felix Held.
Martin Roth has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/51675 )

Change subject: mb/google/guybrush: Update GPIO configuration
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Patch Set 10:

(3 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/51675/comment/b496bbb6_e4bc1240 
PS4, Line 11: Set PCIE_RST0_L to a GPIO and set it high to release the bus.
> My understanding from zork(Picasso) is that PCIE_RST0_L is deasserted 'x' ms after PWRGOOD goes high […]

Done

File src/mainboard/google/guybrush/variants/baseboard/gpio.c:

https://review.coreboot.org/c/coreboot/+/51675/comment/136fb33f_15064393 
PS3, Line 16: /* GSC_SOC_INT_L */
> it was also new for me, but i think that it's a good idea and the additional overhead is minimal

Done

File src/mainboard/google/guybrush/variants/baseboard/gpio.c:

https://review.coreboot.org/c/coreboot/+/51675/comment/5f85137e_81b413f3 
PS7, Line 57: PAD_GPO
> No, that's not the problem. […]

Done