drm/amdgpu: add sdma v4.4.2 ACA support

v1:
add sdma v4.4.2 ACA driver support

v2:
use macro to define smn address value.
v3: squash in fix for unbalanced irqs

Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>