drm/nouveau/fifo/gf100-: use new interfaces for vmm operations

drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h

drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c