Changes to be made in https://access.redhat.com/documentation/en-us/assisted_installer_for_openshift_container_platform/2023/html/assisted_installer_for_openshift_container_platform/installing-with-ui#adding-hosts-to-the-cluster_installing-with-ui

• Adding 'image' after 'iPXE' 
• Change "Select iPXE: Provision from your network server to boot the hosts using iPXE." to "
  Select iPXE: Provision from your network server to boot the hosts using iPXE. iPXE is the recommended method for the s390x architecture when installing on zVM."