[coreboot-gerrit] Change in coreboot[master]: soc/amd/picasso: solve MTRRs only from 4GiB and below

[Aaron Durbin (Code Review)]

Aaron Durbin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/41898 )

Change subject: soc/amd/picasso: solve MTRRs only from 4GiB and below
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Patch Set 2: -Code-Review