Currently the operator images are built with s390x and ppc64le support. However, these arch's are not enabled. To enable additional architecture, the doc can be followed https://docs.openshift.com/container-platform/4.15/operators/operator_sdk/osdk-generating-csvs.html#olm-enabling-operator-for-multi-arch_osdk-generating-csvs, for the bundle manifest file https://pkgs.devel.redhat.com/cgit/containers/hawtio-operator-bundle/tree/manifests/red-hat-hawtio-operator.clusterserviceversion.yaml?h=hawtio-2.0-openshift-rhel8.