[coreboot-gerrit] Change in coreboot[master]: mb/google/guybrush/var/guybrush: Add FPMCU configration

[Furquan Shaikh (Code Review)]

Attention is currently required from: Bhanu Prakash Maiya, Ivy Jian, EricR Lai.
Furquan Shaikh has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/52181 )

Change subject: mb/google/guybrush/var/guybrush: Add FPMCU configration
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Patch Set 9:

(1 comment)

File src/mainboard/google/guybrush/variants/guybrush/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/52181/comment/105636e2_3cb68a27 
PS9, Line 113: register "has_power_resource" = "1"
For GPIO_11, we will have to ensure that there is an external PD so that the default state is driven low at reset. GPIO_32 should have an external PD as well.

Can you please probe the signals from reset to see what they look like?
> => FP seems not working if not configuring GPIO_11(reset) to low in early_gpio_table

I think we should get the signals probed both with and withou GPIO_11 driven low in early_gpio_table. Driving GPIO_11 low in early_gpio_table will cause FPMCU to not work after S3 resume.