drm/nouveau: use ram info from nvif_device

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --cc drivers/gpu/drm/nouveau/dispnv04/hw.c
Simple merge

diff --cc drivers/gpu/drm/nouveau/nouveau_abi16.c
Simple merge

diff --cc drivers/gpu/drm/nouveau/nouveau_bo.c
Simple merge

diff --cc drivers/gpu/drm/nouveau/nouveau_chan.c
Simple merge

diff --cc drivers/gpu/drm/nouveau/nouveau_fbcon.c
Simple merge

diff --cc drivers/gpu/drm/nouveau/nouveau_ttm.c
Simple merge

diff --cc drivers/gpu/drm/nouveau/nv50_display.c
Simple merge

diff --cc drivers/gpu/drm/nouveau/nvif/device.h
Simple merge