OSMENG-1048 Implement day1 configuration for VDU

Change-Id: Ie6da1c1fe1199e2971ad65ee11ebc8bac7f59737
Signed-off-by: Gulsum Atici <gulsum.atici@canonical.com>
diff --git a/osm_nbi/validation.py b/osm_nbi/validation.py
index 58ecaf7..4228346 100644
--- a/osm_nbi/validation.py
+++ b/osm_nbi/validation.py
@@ -137,6 +137,9 @@
     "type": "object",
     "properties": {
         "id": name_schema,
+        "configurable-properties": {
+            "type": "object",
+        },
         "volume": {
             "type": "array",
             "minItems": 1,