Change in coreboot[master]: soc/intel/common/cpu: Update COS mask calculation for NEM enhanced mode

[Aamir Bohra (Code Review)]

Aamir Bohra has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/43494 )

Change subject: soc/intel/common/cpu: Update COS mask calculation for NEM enhanced mode
......................................................................

Patch Set 4:
> Patch Set 4:
> > Patch Set 4:
> >
> > FYI I was able to boot my Volteer with this patch & adding COS_MAPPED_TO_MSB and USE_CAR_NEM_ENHANCED_V1 to the Kconfig.
>
> Thanks for checking Tim :-)
> TGL can select USE_CAR_NEM_ENHANCED_V2.

TGL is supposed to use the 0x1891/92 for mask selection instead.
https://review.coreboot.org/c/coreboot/+/43355