[coreboot-gerrit] Change in coreboot[master]: [WIP] mb/google/guybrush/port_descriptors: add dummy descriptors

[Marshall Dawson (Code Review)]

Attention is currently required from: Matt Papageorge, Felix Held.
Marshall Dawson has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/52141 )

Change subject: [WIP] mb/google/guybrush/port_descriptors: add dummy descriptors
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Patch Set 2:

(1 comment)

Patchset:

PS2: 
Are these UNUSED_ENGINE instead and did we default the FSP's UPD to unused?  Sorry, I may be confusing behaviors.