Call ws_secondary_parent_update inside primary set for reduce code size.

Change-Id: I727311c624c11ef1263034baabbf7463b6830725

source/6LoWPAN/ws/ws_bootstrap.c

@@ -2063,13 +2063,7 @@ void ws_primary_parent_update(protocol_interface_info_entry_t *interface, mac_ne
         neighbor_info.ws_neighbor = ws_neighbor_class_entry_get(&interface->ws_info->neighbor_storage, neighbor->index);
         ws_bootstrap_primary_parent_set(interface, &neighbor_info);
 
-        //Clear both address registration
-        ns_list_foreach(if_address_entry_t, address, &interface->ip_addresses) {
-            if (!addr_is_ipv6_link_local(address->address)) {
-                address->addr_reg_done = 0;
-                ws_address_registration_update(interface);
-            }
-        }
+        ws_secondary_parent_update(interface);
     }
 }