In 4.16  we already saw customers using iLO6 hardware, we should add information about it in our docs https://docs.openshift.com/container-platform/4.16/installing/installing_bare_metal_ipi/ipi-install-prerequisites.html#ipi-install-firmware-requirements-for-installing-with-virtual-media_ipi-install-prerequisites QE will provide details in this bug about the version they have tested.

This should be used in 4.16, 4.17 doc.