There is only one engine in sdma 6.0.1, the total number of
reserved queues should be 2, reflect this number in bitmap as well.
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>