Add support to find the hardware queue on which the request would be
queued.  Since the very first queue is to serve device commands, an offset
of 1 is added to the index of the hardware queue.
Co-developed-by: NCan Guo <quic_cang@quicinc.com>
Signed-off-by: NCan Guo <quic_cang@quicinc.com>
Signed-off-by: NAsutosh Das <quic_asutoshd@quicinc.com>
Reviewed-by: NBart Van Assche <bvanassche@acm.org>
Reviewed-by: NManivannan Sadhasivam <mani@kernel.org>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>