net/bnxt: change MSI-X vector to queue mapping

net/bnxt: change MSI-X vector to queue mapping

DPDK PCIe-VFIO framework configures base MSIX vector for interrupts
which is supported by other h/w. In case of bnxt, base MSIX vector
starts with the RX completion queue 0. To comply with the DPDK
framework We need to increase the map index by 1 so that RXTX
completion queues events can be delivered to appropriate event listeners
by kernel VFIO.

Fixes: bd0a14c99f65 ("net/bnxt: use dedicated CPR for async events")
Cc: stable@dpdk.org
Signed-off-by: Rahul Gupta <rahul.gupta@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>