Add cloud-init to cloud-common w/ patch for ipv6 only ec2

catalog.cfg

@@ -123,3 +123,13 @@ package {
     include_filter: "amazon-ssm-agent.x86_64"
   }
 }
+
+# General
+package {
+  name: "cloud-init"
+  type: PACKAGE_TYPE_NORMAL_FORK
+  repository {
+    name: "cloud-common"
+    include_filter: "cloud-init.noarch"
+  }
+}