Update the docs to add OpenShift install profile (#8337)
Update the docs to add OpenShift install profile (#8337)

* Update the docs to add OpenShift install profile

Signed-off-by: Martin Hickey <5a111d7c144d6e07073f7da1705506e1d8bdbf43@ie.ibm.com>

* Update after review

Review comments:
- https://github.com/istio/istio.io/pull/8337/files#r510248821
- https://github.com/istio/istio.io/pull/8337/files#r510288852

Signed-off-by: Martin Hickey <5a111d7c144d6e07073f7da1705506e1d8bdbf43@ie.ibm.com>
istio/istio.io,istio/istio.io,istio/istio.io,istio/istio.io,istio/istio.io,istio/istio.io,istio/istio.io