[DMAAP] Update chart with service account

Add service account to requirements.yaml, values.yaml and deployment/statefulset

Issue-ID: OOM-2702
Signed-off-by: farida azmy <farida.azmy.ext@orange.com>
Co-authored-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: Id63ae33ce92a5192d43ff0f782487b3974fc5f41
diff --git a/kubernetes/dmaap/components/message-router/values.yaml b/kubernetes/dmaap/components/message-router/values.yaml
index d0b162b..7028bb1 100644
--- a/kubernetes/dmaap/components/message-router/values.yaml
+++ b/kubernetes/dmaap/components/message-router/values.yaml
@@ -153,3 +153,9 @@
       cpu: 1000m
       memory: 2Gi
   unlimited: {}
+
+#Pods Service Account
+serviceAccount:
+  nameOverride: message-router
+  roles:
+    - read