https://docs.openshift.com/container-platform/4.8/installing/installing_ibm_power/installing-ibm-power.html#installation-user-infra-machines-pxe_installing-ibm-power
https://mirror.openshift.com/pub/openshift-v4/ppc64le/dependencies/rhcos/
https://developer.ibm.com/tutorials/preparing-ova-for-openshift-on-cloud/
https://developer.ibm.com/tutorials/use-container-images-for-upi-deployment-of-openshift/