dpdk: output switch information
dpdk: output switch information

Type: feature

Output DPDK switch information to allow finding out which DPDK ports are
associated with which DPDK representor ports.

Signed-off-by: Haggai Eran <950eb09aa5363d787c1def6eb81db661edcaf1be@gmail.com>
Change-Id: I612cbd5a97e04787eca13423f53c7283d5945e37

chrisy/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,FDio/vpp,chrisy/vpp