[coreboot] gfx_uma_size on GM45

[Peter Stuge]

Hi Arthur,

Arthur Heymans wrote:
> modifying cmos.default and the northbridge code

This is not so easy because it is probably important to ensure
backwards compatibility and there is no infrastructure in place
to do so.

Expect a few man-months of work and another few man-months of
work with upstreaming an actual proper fix of NVRAM in coreboot.


//Peter