[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/common/dcaegen2-services-common/templates/_deployment.tpl b/kubernetes/dcaegen2-services/common/dcaegen2-services-common/templates/_deployment.tpl
index 8738b10..2e2cd08 100644
--- a/kubernetes/dcaegen2-services/common/dcaegen2-services-common/templates/_deployment.tpl
+++ b/kubernetes/dcaegen2-services/common/dcaegen2-services-common/templates/_deployment.tpl
@@ -432,6 +432,7 @@
         {{- end }}
       {{- end }}
       hostname: {{ include "common.name" . }}
+      serviceAccountName: {{ include "common.fullname" (dict "suffix" "read" "dot" . )}}
       volumes:
       - configMap:
           defaultMode: 420