Change in coreboot[master]: soc/intel/common/block/p2sb: Refactor P2SB to add comprehend future SoC

[Paul Menzel (Code Review)]

Attention is currently required from: Wonkyu Kim, Subrata Banik, Tim Wawrzynczak, John Zhao, Nick Vaccaro, Patrick Rudolph.
Paul Menzel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62774 )

Change subject: soc/intel/common/block/p2sb: Refactor P2SB to add comprehend future SoC
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Patch Set 3:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/62774/comment/3c145faf_69fd41c4 
PS3, Line 13: Starting with
            : MTL, one more P2SB IP resides in IOE die along with SoC die (PCH die is
            : renamed as SoC in MTL).
Dot/period after: Starting … SoC die. (PCH … MTL.)