[M] Change in coreboot[main]: soc/intel/xeon_sp: Remove PAM unlock operations

[Shuo Liu (Code Review)]

Attention is currently required from: Arthur Heymans, Christian Walter, Johnny Lin, Jonathan Zhang, Lean Sheng Tan, Patrick Rudolph, Tim Chu.

Shuo Liu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81349?usp=email )

Change subject: soc/intel/xeon_sp: Remove PAM unlock operations
......................................................................

Patch Set 14:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/81349/comment/f63d4e44_0689af35 :
PS13, Line 11: some SoCs
> which ones?

Updated.

File src/soc/intel/xeon_sp/util.c:

https://review.coreboot.org/c/coreboot/+/81349/comment/e4222311_e13b1df2 :
PS5, Line 115: lock_pam0123
> This doesn't answer the question. […]

I need some more time to clarify lock_pam0123, hence I remove the related parts from this patch.