In order to achieve better performance, OVS-DPDK instances
should have the virt queue size configured as 1k. This patch
configures the parameter for all the defined OVS-DPDK roles.
Closes-Bug: #1789827
Change-Id: Ib5d97303b973f96af8e3e0806f2549d85860d6f5
Addd support to generate roles_data file with both OVS-DPDK and
SR-IOV services in the same role.
Closes-Bug: #1789804
Change-Id: I03c9e5bfc0fc607762993202fc18ec49b13913c7