Declare cloud-common

catalog.cfg

 # kind: resf.peridot.v1.CatalogSync
+# placeholder package to declare an empty repo
+package {
+  name: "peridot-placeholder"
+  type: 2
+  repository {
+    name: "cloud-common"
+    include_filter: "peridot-placeholder.noarch"
+  }
+}
+
 package {
   name: "kernel"
   type: 2