CSIT-1030: Add x710 MRR tests - vm_vhost

CSIT-1030: Add x710 MRR tests - vm_vhost

+ 10ge2p1x710-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-mrr.robot
+ 10ge2p1x710-dot1q-l2xcbase-eth-2vhostvr1024-1vm-mrr.robot
+ 10ge2p1x710-eth-l2bdbasemaclrn-eth-2vhostvr256-1vm-mrr.robot
+ 10ge2p1x710-eth-l2bdbasemaclrn-eth-4vhostvr1024-2vm-mrr.robot
+ 10ge2p1x710-eth-l2xcbase-eth-2vhostvr1024-1vm-mrr.robot
+ 10ge2p1x710-eth-l2xcbase-eth-2vhostvr256-1vm-mrr.robot
+ 10ge2p1x710-eth-l2xcbase-eth-4vhostvr1024-2vm-mrr.robot
+ 10ge2p1x710-ethip4-ip4base-eth-2vhostvr1024-1vm-mrr.robot
+ 10ge2p1x710-ethip4-ip4base-eth-2vhostvr256-1vm-mrr.robot
+ 10ge2p1x710-ethip4-ip4base-eth-4vhostvr1024-2vm-mrr.robot
+ 10ge2p1x710-ethip4vxlan-l2bdbasemaclrn-eth-2vhostvr1024-1vm-mrr.robot

Copies of the respective x520 files,
with each "X520-DA2" or "X520" replaced by "X710".
Occurences of "Niantic" were removed.

Change-Id: I15bce75b704072b26a908f868e90a42dc3ea7661
Signed-off-by: Vratko Polak <[email protected]>
(cherry picked from commit fd072e1c44a0162696ff3ac5a5692a8233972f5c)