[coreboot-gerrit] Change in coreboot[master]: soc/intel/common: Use SPR for backing up data way and eviction mask

[Arthur Heymans (Code Review)]

Attention is currently required from: Furquan Shaikh, Subrata Banik, Angel Pons, Patrick Rudolph.
Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/56161 )

Change subject: soc/intel/common: Use SPR for backing up data way and eviction mask
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Patch Set 1: Code-Review+2