mount host signature lookaside configuration

roles/openshift_control_plane/files/controller.yaml

@@ -31,6 +31,8 @@ spec:
        name: master-config
      - mountPath: /etc/origin/cloudprovider/
        name: master-cloud-provider
+     - mountPath: /etc/containers/registries.d/
+       name: signature-import
     livenessProbe:
       httpGet:
         scheme: HTTPS
@@ -44,4 +46,7 @@ spec:
       path: /etc/origin/master/
   - name: master-cloud-provider
     hostPath:
-      path: /etc/origin/cloudprovider
+      path: /etc/origin/cloudprovider
+  - hostPath:
+      path: /etc/containers/registries.d
+    name: signature-import