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

[Tim Wawrzynczak (Code Review)]

Attention is currently required from: Subrata Banik, Nico Huber, Wonkyu Kim, Ravishankar Sarawadi, Paul Menzel, Raj Astekar, Patrick Rudolph.
Tim Wawrzynczak 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
......................................................................

Patch Set 11:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/61389/comment/c177d5d9_36df1c38 
PS11, Line 9: create SOC_INTEL_GFX_MEMBASE_OFFSET for platform to
            : shift graphic memory base if require.
72 characters wide please

https://review.coreboot.org/c/coreboot/+/61389/comment/351678a2_9e0fa5a4 
PS11, Line 10: require
`required`