drm/radeon: fixup RV550 chip family
This fixes up the RV550 chips which are based on RV515, not RV530.It also adds another RS690 PCI ID.Signed-off-by: Dave Airlie <airlied@redhat.com>
authored by Alex Deucher and committed by Dave Airlie 18 years ago 16d3be46 f0fb6d77