[S] Change in coreboot[main]: soc/amd: add PSP SMI handler stub

[Felix Held (Code Review)]

Attention is currently required from: Fred Reitberger, Jason Glenesk, Martin L Roth, Matt DeVillier, Nico Huber, Varshit Pandya, ritul guru.

Felix Held has posted comments on this change by Felix Held. ( https://review.coreboot.org/c/coreboot/+/83739?usp=email )

Change subject: soc/amd: add PSP SMI handler stub
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Patch Set 3:

(1 comment)

File src/soc/amd/cezanne/smihandler.c:

https://review.coreboot.org/c/coreboot/+/83739/comment/8df06ba3_cd75bb74?usp... :
PS2, Line 116: psp_smi_handler
> while i usually push for avoiding pre-processor usage if possible, but i'm not sure if having a smi  […]

oh, looks like i missed the 'in the header part' when reading your comment. implemented that to see if i like that one better and i'd say that that is a bit cleaner; pushed a new version