[DCAEGEN2-SERVICES] Update chart with service account

Add service account to requirements, values and deployment/statefulset

Issue-ID: OOM-2828
Signed-off-by: farida azmy <farida.azmy.ext@orange.com>
Change-Id: I9093839265e0d70dd68d7fdded0704942b4d6f71
diff --git a/kubernetes/dcaegen2-services/components/dcae-pmsh/values.yaml b/kubernetes/dcaegen2-services/components/dcae-pmsh/values.yaml
index 0efcf2e..b421d3a 100644
--- a/kubernetes/dcaegen2-services/components/dcae-pmsh/values.yaml
+++ b/kubernetes/dcaegen2-services/components/dcae-pmsh/values.yaml
@@ -192,4 +192,10 @@
   config:
     pgUserName: pmsh
     pgDatabase: pmsh
-    pgUserExternalSecret: *pgUserCredsSecretName
\ No newline at end of file
+    pgUserExternalSecret: *pgUserCredsSecretName
+
+#Pods Service Account
+serviceAccount:
+  nameOverride: dcae-pmsh
+  roles:
+    - read