This patch updates SDMA queue management for multi XCC in GFX9.4.3.
- Allocate/deallocate SDMA queues from the correct SDMA engines
  based on the partition mode.
- Updates the kgd2kfd interface to fetch the correct SDMA register
  addresses.
- It also fixes dumping correct SDMA queue info in debugfs.

v2: squash in fix "drm/amdkfd: Fix XGMI SDMA user-mode queue allocation"
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>