[M] Change in coreboot[main]: soc/intel/xeon_sp: Share unlock_pam_regions()

[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/+/81619?usp=email )

Change subject: soc/intel/xeon_sp: Share unlock_pam_regions()
......................................................................

Patch Set 3:

(1 comment)

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

https://review.coreboot.org/c/coreboot/+/81619/comment/04f5111a_d1e398e0 :
PS2, Line 27: unlock_pam_regions();
> Oh sorry for my suggestion to move it back to romstage. I see that it happens after FSP-M. […]

Sure, no problem. I restored the previous version.