[ONOS-5286]remove update operation in the ovsdb createPort and modify qos table name

Change-Id: Id40a4ebf2e7b28fb1114ca4f73d8fc6c9eda436f

@@ -431,8 +431,6 @@ public class DefaultOvsdbClient implements OvsdbProviderService, OvsdbClientServ
         port.setName(portName);
         if (portUuid == null) {
             insertConfig(PORT, UUID, BRIDGE, PORTS, bridgeUuid, port.getRow());
-        } else {
-            updateConfig(PORT, UUID, portUuid, port.getRow());
         }
     }
 

@@ -21,7 +21,7 @@ package org.onosproject.ovsdb.rfc.table;
 public enum OvsdbTable {
     INTERFACE("Interface"), BRIDGE("Bridge"), CONTROLLER("Controller"),
     PORT("Port"), OPENVSWITCH("Open_vSwitch"), FLWTABLE("Flow_Table"),
-    QOS("Qos"), QUEUE("Queue"), MIRROR("Mirror"), MANAGER("Manager"),
+    QOS("QoS"), QUEUE("Queue"), MIRROR("Mirror"), MANAGER("Manager"),
     NETFLOW("NetFlow"), SSL("SSL"), SFLOW("sFlow"), IPFIX("IPFIX"),
     FLOWSAMPLECOLLECTORSET("Flow_Sample_Collector_Set");