[M] Change in coreboot[master]: drivers/intel/gma: Hook up libgfxinit in romstage

[Jérémy Compostella (Code Review)]

Attention is currently required from: Bora Guvendik, Zhixing Ma, Anil Kumar K, Hannah Williams, Cliff Huang, Tarun Tuli, Nico Huber, Michał Żygowski, Subrata Banik, Paul Menzel, Angel Pons, Arthur Heymans.

Jérémy Compostella has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/70276 )

Change subject: drivers/intel/gma: Hook up libgfxinit in romstage
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Patch Set 26:

(2 comments)

File src/drivers/intel/gma/Kconfig:

https://review.coreboot.org/c/coreboot/+/70276/comment/fea7f47c_d608417c 
PS15, Line 105: If
              : 	  libgfxinit is used for both romstage and ramstage this
              : 	  address should be the same than the one allocated by the PCI
              : 	  resource allocator in ramstage.
> Thanks for this great suggestion. […]

Done

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

https://review.coreboot.org/c/coreboot/+/70276/comment/a6570c61_33fcc411 
PS23, Line 181: 	if (CONFIG(HWBASE_STATIC_MMIO)) {
> > But I am very curious, since we are clearing BAR 0 between romstage and ramstage […]

Ack