Change in coreboot[master]: soc/intel/xeon_sp: Set MSR locks

[Arthur Heymans (Code Review)]

Attention is currently required from: Marc Jones.
Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/52160 )

Change subject: soc/intel/xeon_sp: Set MSR locks
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Patch Set 2:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/52160/comment/faed4645_b104b2c5 
PS2, Line 11: MSR_FEATURE_CONFIG
This is already done during the CPU init. Doing it again causes exception errors.

https://review.coreboot.org/c/coreboot/+/52160/comment/84e35d5b_bf109fa1 
PS2, Line 12: TURBO_ACTIVATION_RATIO_LOCK
Any reason to do this here with PARALLEL_MP_AP_WORK instead of during the CPU init?