Navy_Flounder has the same sdma IP version with
sienna_cichlid, and it has 2 sdma controllers.
Signed-off-by: Jiansong Chen <Jiansong.Chen@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>