Add variable for the vsphere-csi namespace (#9278)

roles/kubernetes-apps/csi_driver/vsphere/templates/vsphere-csi-controller-rbac.yml.j2

@@ -2,7 +2,7 @@ kind: ServiceAccount
 apiVersion: v1
 metadata:
   name: vsphere-csi-controller
-  namespace: kube-system
+  namespace: "{{ vsphere_csi_namespace }}"
 ---
 kind: ClusterRole
 apiVersion: rbac.authorization.k8s.io/v1
@@ -79,7 +79,7 @@ metadata:
 subjects:
   - kind: ServiceAccount
     name: vsphere-csi-controller
-    namespace: kube-system
+    namespace: "{{ vsphere_csi_namespace }}"
 roleRef:
   kind: ClusterRole
   name: vsphere-csi-controller-role