[enterprise-4.4] machine_management: add note about using original boot media#26362

bobfuru merged 5 commits intoopenshift:enterprise-4.4openshift/openshift-docs:enterprise-4.4from

openshift-cherrypick-robot:cherry-pick-26215-to-enterprise-4.4openshift-cherrypick-robot/openshift-docs:cherry-pick-26215-to-enterprise-4.4Copy head branch name to clipboard