Description of problem:
Documentation states that RHEL nodes are supported on OCP 4.20. But when trying to install RHEL worker node on
OCP 4.20 it fails with:

RHEL nodes in version 4.19 and above are no longer supported

Version-Release number of selected component (if applicable):

OCP 4.20
    

How reproducible:

Always
    

Steps to Reproduce:

    1. Try to install RHEL worker node on OCP 4.20
    2.
    3.
    

Actual results:

RHEL nodes in version 4.19 and above are no longer supported
    

Expected results:

It should work according to documentation.