Change in coreboot[master]: mb/google/guybrush/var/nipperkin: Add _HID for privacy screen device

[Kevin Chiu (Code Review)]

Attention is currently required from: Raul Rangel, Bhanu Prakash Maiya, Tim Wawrzynczak, Paul Menzel, Rob Barnes, Eric Peers.
Kevin Chiu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/61125 )

Change subject: mb/google/guybrush/var/nipperkin: Add _HID for privacy screen device
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Patch Set 3:

(1 comment)

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

https://review.coreboot.org/c/coreboot/+/61125/comment/069f8359_88ac19fe 
PS3, Line 181: chip drivers/gfx/generic
> Technically speaking, because of the _HID, it does not particularly matter where it lives in the hie […]

Hi Tim,
ap log update:
https://partnerissuetracker.corp.google.com/u/1/issues/204401306#comment16

thanks.