Update default commit id's for OVS and DPDK.
Update default commit id's for OVS and DPDK.

Change-Id: I6e8d7dd6910f1d263fc27cf605aebd41d330112b

openstack/networking-ovs-dpdk,stackforge/networking-ovs-dpdk,stackforge/networking-ovs-dpdk,stackforge/networking-ovs-dpdk,openstack/networking-ovs-dpdk