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This patch will fix sdma doorbell issue on SDMA v6.0 and NBIO v7.7.0. NBIO v7.7.0 uses a new reg function -- Common SDMA to allow a common doorbell range for all SDMA queues, this is different to the old NBIO version. This patch will add configuration for CSDMA and enable SDMA doorbell function. Signed-off-by: Xiaojian Du <Xiaojian.Du@amd.com> Reviewed-by: Tim Huang <Tim.Huang@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>