[coreboot-gerrit] Change in coreboot[master]: {mb, soc}: Move mrc_cache invalidating logic into `memory` common code

[Eric Lai (Code Review)]

Attention is currently required from: Subrata Banik, Tim Wawrzynczak, Nick Vaccaro, Patrick Rudolph, Zhuohao Lee.
Eric Lai has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62738 )

Change subject: {mb, soc}: Move mrc_cache invalidating logic into `memory` common code
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Patch Set 1: Code-Review+1

(1 comment)

Patchset:

PS1: 
Nice 👍