[release-4.17] OCPBUGS-46432: Power VS: Create region-zone-sysType hierarchy

[AshwinHIBM]

This is a manual cherry-pick of #9245

[openshift-ci-robot]

@AshwinHIBM: This pull request references Jira Issue OCPBUGS-46432, which is invalid:

• release note text must be set and not match the template OR release note type must be set to "Release Note Not Required". For more information you can reference the OpenShift Bug Process.
• expected Jira Issue OCPBUGS-46432 to depend on a bug targeting a version in 4.18.0 and in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but no dependents were found

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

In response to this:

This is a manual cherry-pick of #9245

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[openshift-ci]

@AshwinHIBM: 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/e2e-powervs-ovn	07c96af	link	false	/test e2e-powervs-ovn

Full PR test history. Your PR dashboard.

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