drm/amdgpu: remove unused cg defines

Leftover from radeon.

Reviewed-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-02-05 10:37:29 -05:00
commit b118af7012