[SO] Update chart with service account

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

Issue-ID: OOM-2718
Signed-off-by: farida azmy <farida.azmy.ext@orange.com>
Change-Id: Ic17b8d9307216a7feeceefe6a1e6f0fe4839a637
diff --git a/kubernetes/so/components/so-appc-orchestrator/values.yaml b/kubernetes/so/components/so-appc-orchestrator/values.yaml
index 310cb9f..724fcbd 100644
--- a/kubernetes/so/components/so-appc-orchestrator/values.yaml
+++ b/kubernetes/so/components/so-appc-orchestrator/values.yaml
@@ -158,3 +158,9 @@
     key: VIlbtVl6YLhNUrtU
     secret: 64AG2hF4pYeG2pq7CT6XwUOT
     service: ueb
+
+#Pods Service Account
+serviceAccount:
+  nameOverride: so-appc-orchestrator
+  roles:
+    - read