Change in coreboot[master]: soc/amd/common/block: Fix guards for PSP transfer buffer

[Marshall Dawson (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Martin Roth, Julius Werner.
Marshall Dawson has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/50403 )

Change subject: soc/amd/common/block: Fix guards for PSP transfer buffer
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Patch Set 1: Code-Review+2

(1 comment)

File src/soc/amd/common/block/cpu/noncar/memlayout_transfer_buffer.inc:

https://review.coreboot.org/c/coreboot/+/50403/comment/8b12a30c_19064a72 
PS1, Line 9: #if CONFIG(VBOOT_STARTS_BEFORE_BOOTBLOCK) || CONFIG(VBOOT_STARTS_IN_BOOTBLOCK)
Nit: I wonder if CONFIG(VBOOT) would do just as well here.  AFAICS the only other option is STARTS_IN_ROMSTAGE for some older devices, and that's not something we care about for a "nocar" platform.