drm/nv10/kms: add plane support for nv10-nv40

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --cc drivers/gpu/drm/nouveau/core/engine/disp/nv04.c
Simple merge

diff --cc drivers/gpu/drm/nouveau/core/subdev/mc/nv04.c
Simple merge

diff --cc drivers/gpu/drm/nouveau/dispnv04/Makefile
Simple merge

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

diff --cc drivers/gpu/drm/nouveau/dispnv04/disp.h
Simple merge

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

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