Add following testpmd run-time commands to support test of TM packet
marking:
set port tm mark ip_ecn <port_id> <green> <yellow> <red>
set port tm mark ip_dscp <port_id> <green> <yellow> <red>
set port tm mark vlan_dei <port_id> <green> <yellow> <red>
Signed-off-by: Krzysztof Kanas <krzysztof.kanas@caviumnetworks.com>
6673fe0ce2