OCPBUGS-32274#correcting support platforms text

[brendan-daly-red-hat]

Versions: 4.13+

Issue: https://issues.redhat.com/browse/OCPBUGS-32274

Link to docs preview: https://78419--ocpdocs-pr.netlify.app/openshift-enterprise/latest/installing/installing_sno/install-sno-preparing-to-install-sno.html#install-sno-requirements-for-installing-on-a-single-node_install-sno-preparing

QE review:

• [ ] QE has approved this change.

Additional information:

[ocpdocs-previewbot]

🤖 Wed Jul 03 13:07:08 - Prow CI generated the docs preview:

https://78419--ocpdocs-pr.netlify.app/openshift-enterprise/latest/installing/installing_sno/install-sno-preparing-to-install-sno.html

[openshift-ci[bot]]

@brendan-daly-red-hat: all tests passed!

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[brendan-daly-red-hat]

@gpei, PTAL

[gpei]

@brendan-daly-red-hat we do have SNO support on more cloud platforms, such as AWS/GCP/Azure: https://issues.redhat.com/browse/OCPSTRAT-404 https://issues.redhat.com/browse/OCPSTRAT-483 https://issues.redhat.com/browse/OCPSTRAT-451

[DanielFroehlich]

@gpei , good catch, thank you! @brendan-daly-red-hat , that is correct! The cloud provider integration is not only on AWS, but also GCP and Azure available. But no other platform. Those have to remain on platform=none.