Change in coreboot[master]: soc/amd/cezanne: adding support for the changed AMD FSP API for USB PHY

[Julian Schroeder (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Matt Papageorge, Felix Held.
Julian Schroeder has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/54065 )

Change subject: soc/amd/cezanne: adding support for the changed AMD FSP API for USB PHY
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Patch Set 7:

(2 comments)

Patchset:

PS7: 
I ran the checkpatch tool. Should be ok now

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

https://review.coreboot.org/c/coreboot/+/54065/comment/ecffbc12_6a0a9f20 
PS6, Line 95: 	/** Offset 0x04D8**/	struct usb_phy_config       *usb_phy;
> should we just leave this as array of bytes and then cast to it later?

it's ugly either way. this all needs to be converted into a clean C structure