Change in coreboot[4.11_branch]: Port locked MSR fix to Watson and Watson V2

[Angel Pons (Code Review)]

Attention is currently required from: Jonathan Zhang, Philipp Deppenwiese, Deomid "rojer" Ryabkov.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/50307 )

Change subject: Port locked MSR fix to Watson and Watson V2
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Patch Set 4:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/50307/comment/04263575_f05b8054 
PS1, Line 9: Original commit: 817994c1bec48733679c34fe717a07ad81af18ac
> good idea. […]

Somewhere near the place where `early_mainboard_romstage_entry` gets called:

https://github.com/coreboot/coreboot/blob/4.11_branch/src/soc/intel/fsp_broa...