VOL-3139 - add name helper template

- includes the {{ .Release.Name }} be default
- can be overriden with
  - nameOverride: override the {{ .Release.Name }}-{{ .Chart.Name }}
    porition
  - fullNameOverride: override everything

Change-Id: I0e1dbccba8f1e484e13e6f9ae43ea35ce97aac4f
diff --git a/voltha-adapter-openonu/templates/openonu-go-deploy.yaml b/voltha-adapter-openonu/templates/openonu-go-deploy.yaml
index 35d1d29..c213e67 100644
--- a/voltha-adapter-openonu/templates/openonu-go-deploy.yaml
+++ b/voltha-adapter-openonu/templates/openonu-go-deploy.yaml
@@ -17,7 +17,7 @@
 apiVersion: apps/v1
 kind: Deployment
 metadata:
-  name: adapter-open-onu
+  name: "{{ template "fullname" . }}"
   namespace: {{ .Release.Namespace }}
   {{- if or (hasKey .Values "extra_deployment_labels") (hasKey .Values "openonu_deployment_labels") }}
   labels:
@@ -90,6 +90,10 @@
             - "--kv_store_port={{ .Values.services.etcd.port }}"
             - "--log_level={{ $log_level }}"
             - "--probe_port=8080"
+          {{- if .Values.securityContext.enabled }}
+          securityContext:
+            allowPrivilegeEscalation: false
+          {{- end }}
           livenessProbe:
             httpGet:
               path: /healthz