drm/amdgpu/si: fix ring size for compute

We switched the other asics, but missed this.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-09-15 12:04:45 -04:00
commit 2255e8c109