[M] Change in coreboot[main]: soc/intel/xeon_sp: Create CXL domains

[Shuo Liu (Code Review)]

Attention is currently required from: Arthur Heymans, Christian Walter, Johnny Lin, Lean Sheng Tan, Patrick Rudolph, Tim Chu.

Shuo Liu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81099?usp=email )

Change subject: soc/intel/xeon_sp: Create CXL domains
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Patch Set 1:

(1 comment)

Patchset:

PS1: 
This is a prototype, but I hope this can help https://review.coreboot.org/c/coreboot/+/80796 since the CRS sharing is the right direction. Look for suggestions.