[M] Change in coreboot[main]: soc/intel/xeon_sp: Add device to proximity domain map utils

[Shuo Liu (Code Review)]

Attention is currently required from: Arthur Heymans, Chen, Gang C, Christian Walter, Johnny Lin, Jonathan Zhang, Lean Sheng Tan, Patrick Rudolph, Tim Chu, Ziang Wang.

Shuo Liu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81440?usp=email )

Change subject: soc/intel/xeon_sp: Add device to proximity domain map utils
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Patch Set 4:

(2 comments)

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

https://review.coreboot.org/c/coreboot/+/81440/comment/9fbeb105_7e769ad2 :
PS1, Line 133: device_to_pd
> doesn't account for SNC2 or SNC4.

I didn't handle SNC in this patch and add comments in commit message as well.

https://review.coreboot.org/c/coreboot/+/81440/comment/3dcd3577_c6a76db0 :
PS1, Line 140: iio_pci_domain_socket_from_dev
> doesn't work for DEVICE_PATH_DOMAIN when it's a CXL host bridge. […]

Done