Bugfix 1550: Setting a custom release name for Helm based kdus

Change-Id: I4270c35078de09f2214e8fdb97ff0a9c039cf154
Signed-off-by: romeromonser <garomero@indra.es>
diff --git a/osm_nbi/validation.py b/osm_nbi/validation.py
index 153086b..2fc399f 100644
--- a/osm_nbi/validation.py
+++ b/osm_nbi/validation.py
@@ -305,6 +305,7 @@
                         "kdu_model": name_schema,
                         "k8s-namespace": name_schema,
                         "config-units": integer1_schema,  # number of configuration units of this knf, by default 1
+                        "kdu-deployment-name": name_schema,
                     },
                     "required": ["kdu_name"],
                     "minProperties": 2,