[XL] Change in coreboot[main]: soc/intel/xeon_sp: Add Granite Rapids initial codes

[Shuo Liu (Code Review)]

Attention is currently required from: Arthur Heymans, Chen, Gang C, Christian Walter, David Hendricks, Jincheng Li, Johnny Lin, Jonathan Zhang, Lean Sheng Tan, Nico Huber, Patrick Rudolph, Paul Menzel, TangYiwei, Tim Chu.

Shuo Liu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81316?usp=email )

Change subject: soc/intel/xeon_sp: Add Granite Rapids initial codes
......................................................................

Patch Set 33:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/81316/comment/014ba0be_5d25a8ce :
PS32, Line 20:
> Sorry, last thing. Please also add the datasheet names and revisions.

Sorry, the SoC is not launched yet and hence the datasheet is not made public. We could add some README later after the product launch.

Patchset:

PS32:
> Sure, for the parts to split from this one, any suggestions?

I tentatively split this one into 2. Could you please have a look?
https://review.coreboot.org/c/coreboot/+/81316
https://review.coreboot.org/c/coreboot/+/81628