drm/amdgpu: enable gmc clockgating for ST

Acked-by: Tom St Denis <tom.stdenis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-04-13 12:41:50 -04:00
commit b6711d1b88