nv50/pgraph: Mark NV84+ only stuff.
nv50/pgraph: Mark NV84+ only stuff.

grate-driver/envytools,kfractal/envytools,kfractal/envytools,karolherbst/envytools,hakzsam/envytools,karolherbst/envytools,MoochMcGee/envytools,MoochMcGee/envytools,hakzsam/envytools,pierremoreau/envytools,envytools/envytools,grate-driver/envytools,kfractal/envytools,grate-driver/envytools,MoochMcGee/envytools,pierremoreau/envytools,hakzsam/envytools,hakzsam/envytools,karolherbst/envytools,MoochMcGee/envytools,grate-driver/envytools,pierremoreau/envytools,pierremoreau/envytools,karolherbst/envytools,envytools/envytools,pierremoreau/envytools,MoochMcGee/envytools,envytools/envytools,kfractal/envytools,envytools/envytools,grate-driver/envytools,hakzsam/envytools,envytools/envytools,kfractal/envytools,karolherbst/envytools