[release-3.10] Add missing option in Openstack documentation and sample file.#10367

openshift-merge-robot merged 1 commit intoopenshift:release-3.10openshift/openshift-ansible:release-3.10from

openshift-cherrypick-robot:cherry-pick-10362-to-release-3.10openshift-cherrypick-robot/openshift-ansible:cherry-pick-10362-to-release-3.10Copy head branch name to clipboard