[OCPBUGS-49935]: Adding prerequisite to HCP CLI procedures

Author: lahinson

modules/hcp-cli-console.adoc

@@ -7,6 +7,10 @@
 
 You can install the {hcp} command-line interface (CLI), `hcp`, by using the {product-title} web console.
 
+.Prerequisites
+
+* On an {product-title} cluster, you have installed {mce} 2.5 or later. The {mce-short} is automatically installed when you install Red{nbsp}Hat Advanced Cluster Management. You can also install {mce-short} without Red{nbsp}Hat Advanced Management as an Operator from {product-title} OperatorHub.
+
 .Procedure
 
 . From the {product-title} web console, click the *Help icon* -> *Command Line Tools*.

modules/hcp-cli-gateway.adoc

@@ -7,6 +7,10 @@
 
 You can install the {hcp} command-line interface (CLI), `hcp`, by using the content gateway.
 
+.Prerequisites
+
+* On an {product-title} cluster, you have installed {mce} 2.5 or later. The {mce-short} is automatically installed when you install Red{nbsp}Hat Advanced Cluster Management. You can also install {mce-short} without Red{nbsp}Hat Advanced Management as an Operator from {product-title} OperatorHub.
+
 .Procedure
 
 . Navigate to the link:https://developers.redhat.com/content-gateway/rest/browse/pub/mce/clients/hcp-cli/[content gateway] and download the `hcp` binary.

modules/hcp-cli-terminal.adoc

@@ -7,6 +7,10 @@
 
 You can install the {hcp} command-line interface (CLI), `hcp`, from the terminal.
 
+.Prerequisites
+
+* On an {product-title} cluster, you have installed {mce} 2.5 or later. The {mce-short} is automatically installed when you install Red{nbsp}Hat Advanced Cluster Management. You can also install {mce-short} without Red{nbsp}Hat Advanced Management as an Operator from {product-title} OperatorHub.
+
 .Procedure
 
 . Get the URL to download the `hcp` binary by running the following command: