Add Day-1 and Day-2 configuration augment

Change-Id: I264fe9a6febb432ef39a9b16bd5204ae1c230588
Signed-off-by: Tomás Villaseca <tvillaseca@whitestack.com>
diff --git a/augments/day1-2.yang b/augments/day1-2.yang
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+++ b/augments/day1-2.yang
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+/*
+  Copyright 2020 Whitestack LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+  implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+*/
+
+module day1-2 {
+    yang-version 1.1;
+    namespace "urn:etsi:osm:yang:augments";
+    prefix "day1-2";
+
+    import etsi-nfv-vnfd {
+        prefix vnfd;
+    }
+
+    import common-augments {
+        prefix common;
+    }
+
+    grouping extended-vnf-configuration {
+        container vnf-configuration {
+            uses common:vnfc-configuration;
+            uses common:vnfc-relations;
+            uses common:vdu-config-access;
+        }
+    }
+
+    grouping extended-vdu-configuration {
+        container vdu-configuration {
+            uses common:vnfc-configuration;
+            uses common:vdu-config-access;
+        }
+    }
+
+    augment "/vnfd:vnfd" {
+        uses extended-vnf-configuration;
+    }
+
+    augment "/vnfd:vnfd/vnfd:vdu" {
+        uses extended-vdu-configuration;
+    }
+}
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