drm/nouveau/fifo: initialise vmm with new interfaces

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

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

drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c

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/channv50.c

drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h

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

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

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