RDMA/bnxt_re: Fix to export port num to ib_query_qp

RDMA/bnxt_re: Fix to export port num to ib_query_qp

Current driver implementation doesn't populate the port_num
field in query_qp. Adding the code to convert internal firmware
port id to ibv defined port number and export it.

Reviewed-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Hongguang Gao <hongguang.gao@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://patch.msgid.link/20241211083931.968831-5-kalesh-anakkur.purayil@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>