[bgpvpn] Add opendaylight v2 driver

Change-Id: I7ac8debac13fc1585bf0fb281db1b5892706545d
Closes-Bug: PROD-21078
diff --git a/README.rst b/README.rst
index bfbb901..9ee240f 100644
--- a/README.rst
+++ b/README.rst
@@ -794,13 +794,13 @@
         version: pike
         bgp_vpn:
           enabled: true
-          driver: bagpipe # Options: bagpipe/opencontrail/opendaylight
+          driver: bagpipe # Options: bagpipe/opencontrail/opendaylight[_v2]
       ....
       compute:
         version: pike
         bgp_vpn:
           enabled: true
-          driver: bagpipe # Options: bagpipe/opencontrail/opendaylight
+          driver: bagpipe # Options: bagpipe/opencontrail/opendaylight[_v2]
           bagpipe:
             local_address: 192.168.20.20 # IP address for mpls/gre tunnels
             peers: 192.168.20.30 # IP addresses of BGP peers