Change in coreboot[master]: soc/intel/alderlake: Add support for ADL-N CPU Type

[Usha P (Code Review)]

Attention is currently required from: Maulik V Vaghela, Tim Wawrzynczak, Paul Menzel, Reka Norman, Rizwan Qureshi, Subrata Banik, Sridhar Siricilla, Krishna P Bhat D, Patrick Rudolph.
Usha P has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/59836 )

Change subject: soc/intel/alderlake: Add support for ADL-N CPU Type
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Patch Set 3:

(1 comment)

File src/soc/intel/alderlake/cpu.c:

PS3:
> For another patch: do we still need this function? Or should we rely on the Kconfigs, e.g. […]

For another patch: do we still need this function?
> > Which patch are referring here ?

To get LPM Mask for ADL-N, we are adding a case here in the function.
Other things would be taken care by the Kconfig