[ONOS-4711] Move YANG data types to data types to remove dependency

Change-Id: I2297fc1fa69c7609765fc970d5614447db8e9f88
diff --git a/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangList.java b/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangList.java
index a1e13ac..d09f8d5 100644
--- a/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangList.java
+++ b/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangList.java
@@ -22,6 +22,7 @@
 import org.onosproject.yangutils.datamodel.exceptions.DataModelException;
 import org.onosproject.yangutils.datamodel.utils.Parsable;
 import org.onosproject.yangutils.datamodel.utils.YangConstructType;
+import org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes;
 
 import static org.onosproject.yangutils.datamodel.utils.DataModelUtils.detectCollidingChildUtil;
 
@@ -70,7 +71,7 @@
 public class YangList
         extends YangNode
         implements YangLeavesHolder, YangCommonInfo, Parsable, CollisionDetector, YangAugmentationHolder,
-        YangMustHolder, YangIfFeatureHolder {
+        YangMustHolder, YangIfFeatureHolder, YangDataNode {
 
     private static final long serialVersionUID = 806201609L;