[SDC] Update chart with service account

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

Issue-ID: OOM-2717
Signed-off-by: farida azmy <farida.azmy.ext@orange.com>
Change-Id: I57a398865c2dea8dd5989dc2e9d80843bfabd3b5
diff --git a/kubernetes/sdc/components/sdc-onboarding-be/values.yaml b/kubernetes/sdc/components/sdc-onboarding-be/values.yaml
index f09958e..aa7d535 100644
--- a/kubernetes/sdc/components/sdc-onboarding-be/values.yaml
+++ b/kubernetes/sdc/components/sdc-onboarding-be/values.yaml
@@ -175,3 +175,9 @@
       cpu: 80m
       memory: 2Gi
   unlimited: {}
+
+#Pods Service Account
+serviceAccount:
+  nameOverride: sdc-onboarding-be
+  roles:
+    - read