Registry Addon Fixup

roles/kubernetes-apps/registry/templates/registry-pvc.yml.j2

@@ -1,14 +1,16 @@
-kind: PersistentVolumeClaim
+---
 apiVersion: v1
+kind: PersistentVolumeClaim
 metadata:
-  name: kube-registry-pvc
-  namespace: kube-system
+  name: registry-pvc
+  namespace: {{ registry_namespace }}
   labels:
     kubernetes.io/cluster-service: "true"
     addonmanager.kubernetes.io/mode: Reconcile
 spec:
   accessModes:
     - ReadWriteOnce
+  storageClassName: {{ registry_storage_class }}
   resources:
     requests:
-      storage: {{ pillar['cluster_registry_disk_size'] }}
+      storage: {{ registry_disk_size }}