[S] Change in coreboot[main]: soc/intel/xeon_sp: Add PD_TYPE_CLUSTER

[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/+/81443?usp=email )

Change subject: soc/intel/xeon_sp: Add PD_TYPE_CLUSTER
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Patch Set 1:

(1 comment)

Patchset:

PS1: 
Since the SPR FSP-API it not with full support for SNC, we have to stop here. However, we send out this codes to help our vendors to have their embargo SNC enabling based on some public settings. Open to any discussions. Thanks!