[L] Change in coreboot[main]: soc/intel/xeon_sp: Unshare Xeon-SP chip common codes

[Shuo Liu (Code Review)]

Attention is currently required from: Arthur Heymans, Christian Walter, David Hendricks, Johnny Lin, Jonathan Zhang, Lean Sheng Tan, Martin L Roth, Nico Huber, Patrick Rudolph, Paul Menzel, TangYiwei, Tim Chu.

Shuo Liu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81312?usp=email )

Change subject: soc/intel/xeon_sp: Unshare Xeon-SP chip common codes
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Patch Set 26:

(1 comment)

File src/soc/intel/xeon_sp/chip_gen1.c:

https://review.coreboot.org/c/coreboot/+/81312/comment/0feb33cb_1f0ad19f :
PS16, Line 192: #if CONFIG(SOC_INTEL_HAS_CXL)
> There are plenty of options, you could also do this: […]

Sure, I move the create_cxl_domains declaration into chip_gen1.c. Updated.