Inserted set and get controllers methods in ovsdb controller config

Change-Id: I791ff2ae159d0ac50beff22abda2b187913428f6
diff --git a/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/table/Bridge.java b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/table/Bridge.java
index bd589f0..0b5ffef 100644
--- a/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/table/Bridge.java
+++ b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/table/Bridge.java
@@ -15,16 +15,17 @@
  */
 package org.onosproject.ovsdb.rfc.table;
 
-import java.util.Map;
-import java.util.Set;
-
 import org.onosproject.ovsdb.rfc.notation.Column;
+import org.onosproject.ovsdb.rfc.notation.OvsdbSet;
 import org.onosproject.ovsdb.rfc.notation.Row;
 import org.onosproject.ovsdb.rfc.notation.UUID;
 import org.onosproject.ovsdb.rfc.schema.DatabaseSchema;
 import org.onosproject.ovsdb.rfc.tableservice.AbstractOvsdbTableService;
 import org.onosproject.ovsdb.rfc.tableservice.ColumnDescription;
 
+import java.util.Map;
+import java.util.Set;
+
 /**
  * This class provides operations of Bridge Table.
  */
@@ -351,7 +352,7 @@
      * of attributes.
      * @param controller the column data which column name is "controller"
      */
-    public void setController(Set<UUID> controller) {
+    public void setController(OvsdbSet controller) {
         ColumnDescription columndesc = new ColumnDescription(
                                                              BridgeColumn.CONTROLLER
                                                                      .columnName(),