Change in coreboot[master]: guybrush: add RO_GSCVD area to FMAP

[Julius Werner (Code Review)]

Attention is currently required from: Hung-Te Lin, Vadim Bendebury, Furquan Shaikh, Mathew King, Paul Menzel.
Julius Werner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/57864 )

Change subject: guybrush: add RO_GSCVD area to FMAP
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Patch Set 1:

(1 comment)

File src/mainboard/google/guybrush/chromeos.fmd:

https://review.coreboot.org/c/coreboot/+/57864/comment/48167bee_c8b7ff50 
PS1, Line 29: 				RO_GSCVD 8K
> I thing RO_GSCVD should be part of the RO section, and should be updated only if WP is disabled and the RO is actually updated.

That has nothing to do with RO_SECTION though, that's just WP_RO. RO_SECTION is used among other things to calculate the RO firmware hash encoded in the HWID. For these purposes, I think it is cleaner for RO_GSCVD to be outside of RO_SECTION (the RO_SECTION hash is only supposed to change when the firmware behavior itself changes, not other metadata describing it).