Change in coreboot[master]: vc/amd/fsp/cezanne: add platform_descriptors.h

[Felix Held (Code Review)]

Attention is currently required from: Justin Frodsham, Raul Rangel, Marshall Dawson, Matt Papageorge.
Felix Held has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/51197 )

Change subject: vc/amd/fsp/cezanne: add platform_descriptors.h
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Patch Set 11:

(3 comments)

File src/vendorcode/amd/fsp/cezanne/platform_descriptors.h:

https://review.coreboot.org/c/coreboot/+/51197/comment/254d6f6b_ee77cab5 
PS10, Line 196: Currently unused by FSP
> Based on Matt's comment, I infer this should change too.

this is mostly a copy of PlatformHooksPeim.h. that struct field gets copied into some other data structure, but haven't further traced that data flow

File src/vendorcode/amd/fsp/cezanne/platform_descriptors.h:

https://review.coreboot.org/c/coreboot/+/51197/comment/aa808259_456f3019 
PS7, Line 179: port_params
> in short token and value pairs. […]

added a comment

File src/vendorcode/amd/fsp/cezanne/platform_descriptors.h:

https://review.coreboot.org/c/coreboot/+/51197/comment/5770845d_ed6f70c0 
PS4, Line 57: 	CLK_GPP_REQ0 = 0x09,
> added a TODO

the uefi reference implementation doesn't have those, so i remove them