drm/amdgpu: add DCE support for Stoney

Stoney is DCE 11.x.

Signed-off-by: Samuel Li <samuel.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Samuel Li 2015-10-08 16:29:06 -04:00 • committed by Alex Deucher
commit fa2f9befbb