Complete change 5758: change member-vnf-index from int to string to allow symbolic names

Change-Id: Ib329d94a25b0231b8373b031651839e8b0b5cb6e
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/models/yang/nsr.yang b/models/yang/nsr.yang
index 4f2eb73..3547866 100644
--- a/models/yang/nsr.yang
+++ b/models/yang/nsr.yang
@@ -486,7 +486,7 @@
           }
 
           leaf member-vnf-index-ref {
-            type uint64;
+            type string;
           }
           leaf vnfd-id-ref {
             description
@@ -912,7 +912,7 @@
               leaf member-vnf-index-ref {
                 description
                    "Reference to member-vnf within constituent-vnfds";
-                type uint64;
+                type string;
               }
 
               leaf vnfd-id-ref {
@@ -1212,7 +1212,7 @@
         leaf member-vnf-index-ref {
           description
               "Reference to member-vnf within constituent-vnfds";
-          type uint64;
+          type string;
         }
 
         leaf vnfd-id-ref {