[coreboot-gerrit] Change in coreboot[master]: soc/amd/{picasso,stoneyridge}/romstage.c: Use post_codes macros

[Paul Menzel (Code Review)]

Attention is currently required from: Jason Glenesk, Marshall Dawson, HAOUAS Elyes, Felix Held.
Paul Menzel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/45526 )

Change subject: soc/amd/{picasso,stoneyridge}/romstage.c: Use post_codes macros
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Patch Set 3: Code-Review+1