drm/radeon: remove DRIVER_HAS_DMA/SG/PCI_DMA from the kms driver

Really, this is all old-style stuff and just copy-pasta from the
ums driver.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@gmail.com>
1 file changed