[S] Change in coreboot[main]: nb/intel/sandybridge: Add Kconfig to set default IGD allocation

[Matt DeVillier (Code Review)]

Attention is currently required from: Angel Pons.

Matt DeVillier has posted comments on this change by Matt DeVillier. ( https://review.coreboot.org/c/coreboot/+/84225?usp=email )

Change subject: nb/intel/sandybridge: Add Kconfig to set default IGD allocation
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Patch Set 4:

(2 comments)

File src/northbridge/intel/sandybridge/Kconfig:

https://review.coreboot.org/c/coreboot/+/84225/comment/1cc097f4_35aa46c3?usp... :
PS3, Line 188: (CMOS-backed)
> The fallback value is used whenever the option backend cannot retrieve the stored value in the backe […]

Acknowledged

https://review.coreboot.org/c/coreboot/+/84225/comment/74d0da0f_736eac7a?usp... :
PS3, Line 204: IGD_DEFAULT_INT_VALUE
> I feel this name is too confusing, but I am currently too tired to come up with a better name.

is IGD_DEFAULT_UMA_INDEX better?