Add final augments for VNFD

Change-Id: Ia7155d890bcd58db61c7f121e163d85ec52c7939
Signed-off-by: Tomás Villaseca <tvillaseca@whitestack.com>
diff --git a/augments/day1-2.yang b/augments/day1-2.yang
index 78029e1..ccdc49a 100644
--- a/augments/day1-2.yang
+++ b/augments/day1-2.yang
@@ -29,7 +29,13 @@
     }
 
     grouping extended-vnf-configuration {
-        container vnf-configuration {
+        list vnf-configuration {
+            key "id";
+            leaf id {
+                description
+                  "Internal identifier for the VNF configuration";
+                type string;
+            }
             uses common:vnfc-configuration;
             uses common:vnfc-relations;
             uses common:vdu-config-access;
@@ -37,7 +43,13 @@
     }
 
     grouping extended-vdu-configuration {
-        container vdu-configuration {
+        list vdu-configuration {
+            key "id";
+            leaf id {
+                description
+                  "Internal identifier for the VDU configuration";
+                type string;
+            }
             uses common:vnfc-configuration;
             uses common:vdu-config-access;
         }
@@ -47,7 +59,7 @@
         uses extended-vnf-configuration;
     }
 
-    augment "/vnfd:vnfd/vnfd:vdu" {
+    augment "/vnfd:vnfd" {
         uses extended-vdu-configuration;
     }
 }
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