[coreboot-gerrit] Change in coreboot[master]: soc/common: Program SF Mask MSRs for eNEM

[Tim Wawrzynczak (Code Review)]

Tim Wawrzynczak has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/47983 )

Change subject: soc/common: Program SF Mask MSRs for eNEM
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Patch Set 5:

(1 comment)

https://review.coreboot.org/c/coreboot/+/47983/5/src/soc/intel/common/block/... 
File src/soc/intel/common/block/cpu/car/cache_as_ram.S:

https://review.coreboot.org/c/coreboot/+/47983/5/src/soc/intel/common/block/... 
PS5, Line 413:  %ecx
> Yes. I can back it up in edx and restore back after SF Mask programming.

what about using %edx directly?
```
mov %eax, %edx
mov $0x01, %eax
shl %dl, %eax
subl $0x01, %eax
```