Updates description and provider for Red Hat owned stacks

[schultzp2020]

What does this PR do?:

Updates description and provider for Red Hat owned stacks

Which issue(s) this PR fixes:

PR acceptance criteria:

• Contributing guide
  Have you read the devfile registry contributing guide and followed its instructions?
• Test automation
  Does this repository's tests pass with your changes?
• Documentation
  Does any documentation need to be updated with your changes?
• Check Tools Provider
  Have you tested the changes with existing tools, i.e. Odo, Che, Console? (See devfile registry contributing guide on how to test changes)

How to test changes / Special notes to the reviewer:

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: mike-hoang, schultzp2020
Once this PR has been reviewed and has the lgtm label, please assign elsony for approval by writing /assign @elsony in a comment. For more information see:The Kubernetes Code Review Process.

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Needs approval from an approver in each of these files:

• stacks/OWNERS

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[openshift-ci]

@schultzp2020: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/v4.7-registry-test	5e6f70f	link	true	/test v4.7-registry-test

Full PR test history. Your PR dashboard.

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