Change in coreboot[master]: soc/intel/common: Add IOE P2SB for TCSS

[John Zhao (Code Review)]

Attention is currently required from: Subrata Banik, Ravishankar Sarawadi, John Zhao, Tim Wawrzynczak, Angel Pons, Patrick Rudolph, EricR Lai.
Hello build bot (Jenkins), Wonkyu Kim, Subrata Banik, Ravishankar Sarawadi, Tim Wawrzynczak, Eric Lai, Angel Pons, Patrick Rudolph, EricR Lai,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/62721

to look at the new patch set (#6).

Change subject: soc/intel/common: Add IOE P2SB for TCSS
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soc/intel/common: Add IOE P2SB for TCSS

Meteor Lake has the IOE Die for TCSS. This change adds the IOE P2SB
sideband access and exposes API for TCSS usage.

BUG=b:213574324
TEST=Build platforms coreboot images successfully.

Change-Id: I01f551b6e1f50ebdc1cef2ceee815a492030db19
Signed-off-by: John Zhao 
---
M src/soc/intel/common/block/include/intelblocks/p2sb.h
M src/soc/intel/common/block/p2sb/Kconfig
M src/soc/intel/common/block/p2sb/Makefile.inc
A src/soc/intel/common/block/p2sb/ioe_p2sb.c
M src/soc/intel/common/block/p2sb/p2sb.c
5 files changed, 74 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/21/62721/6