[S] Change in coreboot[master]: mb/google/skyrim: Hide unused GPP port

[Felix Held (Code Review)]

Attention is currently required from: Martin L Roth, Jason Nien, Eric Lai, Karthik Ramasubramanian.

Felix Held has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/73862 )

Change subject: mb/google/skyrim: Hide unused GPP port
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Patch Set 1:

(1 comment)

File src/mainboard/google/skyrim/variants/baseboard/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/73862/comment/d1439e35_680eebf6 
PS1, Line 110: 		device ref gpp_bridge_3 hidden end
> For the case maybe set all gpp hidden in chipset. […]

that's probably a good idea, since it makes the mainboard's devicetree file a little more tidy. Martin, since you introduced this, i wonder if you have any strong opinion on this?