drm/amdgpu/gmc9: remove unused register defs

These got moved to the new df module so no longer
used in this file.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2018-05-10 15:10:14 -05:00
commit 323a9dbc45