[OSDOCS-17515]: Adding TP statement to HCP on IBM Z docs

[lahinson]

Version(s): 4.17 - 4.19

Issue: https://issues.redhat.com/browse/OSDOCS-17415

Link to docs preview:

• Addition of TP boilerplate to "Deploying HCP on IBM Z": https://102856--ocpdocs-pr.netlify.app/openshift-enterprise/latest/hosted_control_planes/hcp-deploy/hcp-deploy-ibmz
• Addition of TP boilerplate to "Deploying HCP on IBM Z in a disconnected environment": https://102856--ocpdocs-pr.netlify.app/openshift-enterprise/latest/hosted_control_planes/hcp-disconnected/disconnected-install-ibmz-hcp.html

QE review:

• QE has approved this change.

Additional information:

[ocpdocs-previewbot]

🤖 Fri Nov 21 21:13:09 - Prow CI generated the docs preview:

https://102856--ocpdocs-pr.netlify.app/openshift-enterprise/latest/hosted_control_planes/hcp-deploy/hcp-deploy-ibmz.html
https://102856--ocpdocs-pr.netlify.app/openshift-enterprise/latest/hosted_control_planes/hcp-disconnected/disconnected-install-ibmz-hcp.html

[veera-damisetti]

Hi @lahinson
Please note that HCP on IBM Z is not available for OCP 4.17. Support for HCP on IBM Z is generally available starting from OCP 4.20.
What is supported on 4.17 is HCP on an x86 cluster with IBM Z compute nodes attached.

[lahinson]

/retest

[openshift-ci]

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