Update IPv6 N-S spec with neighbor-discovery.yang changes
Update IPv6 N-S spec with neighbor-discovery.yang changes

Change-Id: I04bb19cffc3cef53ed6b7fbb29f96050bb90ad5a
Signed-off-by: Sridhar Gaddam <6c1f9442a69c8f5ba461f7b853a329c2c949c620@redhat.com>

opendaylight/netvirt,opendaylight/netvirt,opendaylight/netvirt,opendaylight/netvirt,opendaylight/netvirt