drm/nouveau: remove limit on gart
drm/nouveau: remove limit on gart

Most graphics cards nowadays have a multiple of this limit as their vram,
so limiting GART doesn't seem to make much sense.

Signed-off-by: Maarten >Lnkhorst <743c2818a341d71b99ed2b566f9f80c2fc288f93@canonical.com>
Signed-off-by: Ben Skeggs <d9f27fb07c1e9f131223ad827fa5179f3846c30b@redhat.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs