app/testpmd: dump port info for shared Rx queue
app/testpmd: dump port info for shared Rx queue

In case of shared Rx queue, source port mbuf from polling result isn't
the Rx port of forwarding stream. To provide original port ID, this
patch dumps mbuf->port for each packet in verbose mode if shared Rx
queue enabled.

Signed-off-by: Xueming Li <a578f76ca98b1dec92e0d1baef814b93f3f2f3b4@nvidia.com>
Acked-by: Xiaoyun Li <151cc00bdba86cfa2ecfc39aaa98def8f092d9d8@intel.com>
Acked-by: Ajit Khaparde <01965fbd61169dc18f3fb5e13de7f67d298f8924@broadcom.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk