drm: use radeon specific names for radeon flags

Signed-off-by: Dave Airlie <airlied@linux.ie>

diff --cc drivers/char/drm/drm_pciids.h
Simple merge

diff --cc drivers/char/drm/radeon_cp.c
Simple merge

diff --cc drivers/char/drm/radeon_drv.c
Simple merge

diff --cc drivers/char/drm/radeon_drv.h
Simple merge

diff --cc drivers/char/drm/radeon_state.c
Simple merge