[S] Change in coreboot[main]: soc/amd/phoenix: Add build rules to enable CBFS verification

[Karthik Ramasubramanian (Code Review)]

Attention is currently required from: Felix Held, Fred Reitberger, Jason Glenesk, Jon Murphy, Martin L Roth, Matt DeVillier.

Karthik Ramasubramanian has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/78233?usp=email )

Change subject: soc/amd/phoenix: Add build rules to enable CBFS verification
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Patch Set 2:

(1 comment)

File src/soc/amd/phoenix/Makefile.inc:

https://review.coreboot.org/c/coreboot/+/78233/comment/eaedd9a7_631c533e :
PS2, Line 346:
> Do we need to add the key signature block as well, or is that already done by default?

Are you referring to the PSP_VERSTAGE_SIGNING_TOKEN File i.e. Type 0x53 entry?