drm/amdgpu: kiq takes charge of all queues

To make kgq/kcq and mes queue co-exist, kiq needs take charge
of all queues.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>