COMAC-166 Use official casssandra chart for hssdb

Change-Id: I4d0dcb757bc5ceb5697ef4d1367c918a8ef67878
diff --git a/mcord-release/mcord-services/requirements.yaml b/mcord-release/mcord-services/requirements.yaml
new file mode 100644
index 0000000..ec39473
--- /dev/null
+++ b/mcord-release/mcord-services/requirements.yaml
@@ -0,0 +1,19 @@
+# Copyright 2019-present Open Networking Foundation
+#
+# 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.
+
+dependencies:
+  - name: cassandra
+    version: 0.13.1
+    repository: https://kubernetes-charts-incubator.storage.googleapis.com/
+    condition: cassandra.deploy