[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-etsi-nfvo-ns-lcm/values.yaml b/kubernetes/so/components/so-etsi-nfvo-ns-lcm/values.yaml
index 363ce40..57bf2f3 100644
--- a/kubernetes/so/components/so-etsi-nfvo-ns-lcm/values.yaml
+++ b/kubernetes/so/components/so-etsi-nfvo-ns-lcm/values.yaml
@@ -161,3 +161,9 @@
 tolerations: []
 
 affinity: {}
+
+#Pods Service Account
+serviceAccount:
+  nameOverride: so-etsi-nfvo-ns-lcm
+  roles:
+    - read