[PORTAL] Update chart with service account

Add service account to requirements, values and deployment/statefulset

Issue-ID: OOM-2874
Signed-off-by: farida azmy <farida.azmy.ext@orange.com>
Change-Id: I878ccfce7d7e02875376bc5941af43d3f10fcb2d
diff --git a/kubernetes/portal/components/portal-app/values.yaml b/kubernetes/portal/components/portal-app/values.yaml
index 6cf2513..039f560 100644
--- a/kubernetes/portal/components/portal-app/values.yaml
+++ b/kubernetes/portal/components/portal-app/values.yaml
@@ -171,3 +171,8 @@
 log:
   path: /var/log/onap
 logConfigMapNamePrefix: '{{ include "common.fullname" . }}'
+#Pods Service Account
+serviceAccount:
+  nameOverride: portal-app
+  roles:
+    - read