Add ARCTURUS case in gfx set clockgating function. No 3d clock on Arcturus.
Signed-off-by: NLe Ma <le.ma@amd.com>
Reviewed-by: NKenneth Feng <kenneth.feng@amd.com>
Reviewed-by: NFeifei Xu <Feifei.Xu@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>