[OSDOCS-12384]: Updating control plane availability policy

Author: lahinson

modules/hcp-bm-hc.adoc

@@ -42,8 +42,8 @@ $ hcp create cluster agent \
     --etcd-storage-class=<etcd_storage_class> \// <6>
     --ssh-key  <path_to_ssh_public_key> \// <7>
     --namespace <hosted_cluster_namespace> \// <8>
-    --control-plane-availability-policy SingleReplica \
-    --release-image=quay.io/openshift-release-dev/ocp-release:<ocp_release_image> <9>
+    --control-plane-availability-policy HighlyAvailable \// <9>
+    --release-image=quay.io/openshift-release-dev/ocp-release:<ocp_release_image> <10>
 ----
 +
 <1> Specify the name of your hosted cluster, for instance, `example`.
@@ -54,7 +54,8 @@ $ hcp create cluster agent \
 <6> Specify the etcd storage class name, for example, `lvm-storageclass`.
 <7> Specify the path to your SSH public key. The default file path is `~/.ssh/id_rsa.pub`.
 <8> Specify your hosted cluster namespace.
-<9> Specify the supported {product-title} version that you want to use, for example, `4.14.0-x86_64`. If you are using a disconnected environment, replace `<ocp_release_image>` with the digest image. To extract the {product-title} release image digest, see _Extracting the {product-title} release image digest_.
+<9> The default value for the control plane availability policy is `HighlyAvailable`.
+<10> Specify the supported {product-title} version that you want to use, for example, `4.14.0-x86_64`. If you are using a disconnected environment, replace `<ocp_release_image>` with the digest image. To extract the {product-title} release image digest, see _Extracting the {product-title} release image digest_.
 
 +
 . After a few moments, verify that your hosted control plane pods are up and running by entering the following command:

modules/hcp-non-bm-hc.adoc

@@ -40,8 +40,8 @@ $ hcp create cluster agent \
   --etcd-storage-class=<etcd_storage_class> \// <6>
   --ssh-key  <path_to_ssh_key> \// <7>
   --namespace <hosted_cluster_namespace> \// <8>
-  --control-plane-availability-policy SingleReplica \
-  --release-image=quay.io/openshift-release-dev/ocp-release:<ocp_release> <9>
+  --control-plane-availability-policy HighlyAvailable \// <9>
+  --release-image=quay.io/openshift-release-dev/ocp-release:<ocp_release> <10>
 ----
 +
 <1> Specify the name of your hosted cluster, for instance, `example`.
@@ -52,7 +52,8 @@ $ hcp create cluster agent \
 <6> Verify that you have a default storage class configured for your cluster. Otherwise, you might end up with pending PVCs. Specify the etcd storage class name, for example, `lvm-storageclass`.
 <7> Specify the path to your SSH public key. The default file path is `~/.ssh/id_rsa.pub`.
 <8> Specify your hosted cluster namespace.
-<9> Specify the supported {ocp-short} version that you want to use, for example, `4.14.0-x86_64`.
+<9> The default value for the control plane availability policy is `HighlyAvailable`.
+<10> Specify the supported {ocp-short} version that you want to use, for example, `4.14.0-x86_64`.
 
 .Verification