Change in coreboot[master]: soc/intel/common: Configure TCSS access through IOE P2SB

[Paul Menzel (Code Review)]

Attention is currently required from: John Zhao, Eric Lai, Angel Pons, Patrick Rudolph, EricR Lai.
Paul Menzel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62723 )

Change subject: soc/intel/common: Configure TCSS access through IOE P2SB
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Patch Set 2:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/62723/comment/2ea58ab5_2d4940cc 
PS2, Line 2: John
Please use your full name.

https://review.coreboot.org/c/coreboot/+/62723/comment/9e0de2b3_90c40f00 
PS2, Line 9: This change abstracts the TCSS access through IOE P2SB on Meteor Lake.
Please elaborate. (For example: What is the current status?)