Updated VyOS vnfd descriptor with initial config

Signed-off-by: Philip Joseph <Philip.Joseph@riftio.com>

src/vnfd/VyOS_vnf/VyOS__vnfd.yaml

@@ -32,6 +32,12 @@ vnfd:vnfd-catalog:
                         data-type: INTEGER
                         mandatory: 'false'
                         default-value: 5
+                initial-config-primitive:
+                -   name: config
+                    parameter:
+                    -   name: hostname
+                        value: <rw_mgmt_ip>
+                    seq: '1'
                 juju:
                     charm: VyOS-proxy
         connection-point: