Change in coreboot[master]: soc/amd/common/block/lpc: Add support to not clear port80 enable

[Felix Held (Code Review)]

Attention is currently required from: Jason Glenesk, Marshall Dawson, Fred Reitberger, Karthik Ramasubramanian.
Felix Held has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63118 )

Change subject: soc/amd/common/block/lpc: Add support to not clear port80 enable
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Patch Set 2:

(1 comment)

Patchset:

PS2:
> Should the other two fixed decode ranges be handled the same way?

i don't think that the psp/smu firmwares will access what's decoded by the other two fixed decode ranges (at least after the x86 is released from reset), so i'd only handle the port 80 decode via this special case