OSDOCS-3738: Update the cake diagram for OpenShift Kubernetes Engine

Author: xenolinux

images/oke-about-ocp-stack-image.png

@@ -8,7 +8,7 @@ include::_attributes/common-attributes.adoc[]
 As of 27 April 2020, Red Hat has decided to rename Red Hat OpenShift Container Engine to Red Hat {oke}
 to better communicate what value the product offering delivers.
 
-image::oke-about.png[Red Hat {oke}]
+image::oke-about-ocp-stack-image.png[Red Hat {oke}]
 
 Red Hat {oke} is a product offering from Red Hat that lets
 you use an enterprise class Kubernetes platform as a production platform for