Change in coreboot[master]: soc/intel/{common,skl}: move AES-NI locking to common code

[Nico Huber (Code Review)]

Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/46272 )

Change subject: soc/intel/{common,skl}: move AES-NI locking to common code
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Patch Set 2:

(1 comment)

https://review.coreboot.org/c/coreboot/+/46272/2/src/soc/intel/common/block/... 
File src/soc/intel/common/block/cpu/cpulib.c:

https://review.coreboot.org/c/coreboot/+/46272/2/src/soc/intel/common/block/... 
PS2, Line 386: disabling
What about unintended enabling? the function doesn't seem to check
if it's enabled.

Also, this lock what can be locked policy is Intel's idea and coreboot
tends to disagree. See `config SET_IA32_FC_LOCK_BIT` for instance.