[coreboot-gerrit] Change in coreboot[master]: soc/amd/picasso/smihandler: replace southbridge.c in comment with fch.c

[Angel Pons (Code Review)]

Attention is currently required from: Jason Glenesk, Marshall Dawson, Felix Held.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/50458 )

Change subject: soc/amd/picasso/smihandler: replace southbridge.c in comment with fch.c
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Patch Set 3: Code-Review+2