Change in coreboot[master]: soc/intel/graphics: Create Kconfig for shifting graphic memory base

[Subrata Banik (Code Review)]

Attention is currently required from: Subrata Banik, Nico Huber, Ethan Tsao, Wonkyu Kim, Ravishankar Sarawadi, Tim Wawrzynczak, Paul Menzel, Raj Astekar, Patrick Rudolph.
Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/61389 )

Change subject: soc/intel/graphics: Create Kconfig for shifting graphic memory base
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Patch Set 14:

(1 comment)

File src/soc/intel/common/block/graphics/graphics.c:

https://review.coreboot.org/c/coreboot/+/61389/comment/44ba4e86_c01f3b18 
PS13, Line 129: after shift
> just differentiate with real bar.

:)