[ONOS-4938] Defect fix: range interval

Change-Id: I3229d35fb7c80da3bcf150d52ed7e7eba72bb4c8
diff --git a/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangRangeRestriction.java b/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangRangeRestriction.java
index ae9b68e..29322e6 100644
--- a/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangRangeRestriction.java
+++ b/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangRangeRestriction.java
@@ -165,7 +165,7 @@
 
         T curMaxvalue = getMaxRestrictedvalue();
 
-        if (newInterval.getStartValue().compareTo(curMaxvalue) != 1) {
+        if (newInterval.getStartValue().compareTo(curMaxvalue) < 1) {
             throw new DataModelException(
                     "New added range interval is lesser than the old interval(s)");
         }