OSDOCS-9608: Adding note about HCP being unsupported

Author: michaelryanmcneill

cloud_experts_tutorials/cloud-experts-update-component-routes.adoc

@@ -18,7 +18,13 @@ The changes that we make to the component routes{fn-term-component-routes} in th
 == Prerequisites
 * ROSA CLI (`rosa`) version 1.2.37 or higher
 * AWS CLI (`aws`)
-* A ROSA cluster
+* A ROSA Classic cluster version 4.14 or higher
++
+[NOTE]
+====
+ROSA with HCP is not supported at this time.
+====
++
 * OpenShift CLI (`oc`)
 * `jq` CLI
 * Access to the cluster as a user with the `cluster-admin` role.