Helm Chart for VOLTHA initial commit

Change-Id: I00a12981bfa0db6bedfa2c46a5b4ca2518b71018
diff --git a/voltha/templates/freeradius.yaml b/voltha/templates/freeradius.yaml
new file mode 100644
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+++ b/voltha/templates/freeradius.yaml
@@ -0,0 +1,85 @@
+# Copyright 2017-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.
+
+apiVersion: v1
+kind: Service
+metadata:
+   name: freeradius
+   namespace: {{ .Values.global.namespace }}
+   serviceAccountName: {{ .Values.global.namespace }}-serviceaccount
+   labels:
+     name: freeradius
+spec:
+  clusterIP: None
+  ports:
+    - name: radius-auth
+      protocol: UDP
+      port: 1812
+      targetPort: 1812
+    - name: radius-acc
+      protocol: UDP
+      port: 1813
+      targetPort: 1813
+    - name: radius
+      port: 18120
+      targetPort: 18120
+  selector:
+    app: freeradius
+---
+apiVersion: apps/v1beta1
+kind: Deployment
+metadata:
+  name: freeradius
+  namespace: {{ .Values.global.namespace }}
+  serviceAccountName: {{ .Values.global.namespace }}-serviceaccount
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: freeradius
+      annotations:
+        cni: "weave"
+    spec:
+      serviceAccountName: {{ .Values.global.namespace }}-serviceaccount
+      containers:
+        - name: freeradius
+          image: {{ .Values.pull_docker_registry }}{{ .Values.images.freeradius.repository }}:{{ .Values.images.freeradius.tag }}
+          env:
+            - name: POD_IP
+              valueFrom:
+                fieldRef:
+                  fieldPath: status.podIP
+            - name: NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
+          ports:
+            - containerPort: 1812
+              name: radauth-port
+            - containerPort: 1813
+              name: radacc-port
+            - containerPort: 18120
+              name: radius-port
+          volumeMounts:
+            - name: freeradius-config
+              mountPath: /etc/raddb/clients.conf
+              subPath: clients.conf
+            - name: freeradius-config
+              mountPath: /etc/raddb/users
+              subPath: users
+      volumes:
+        - name: freeradius-config
+          configMap:
+            name: freeradius-config