OSDOCS-14015: Add instances p5en,u7i,i7ie,hpc6a

[bmcelvee]

Version(s):
4.18+

Issue:
https://issues.redhat.com/browse/OSDOCS-14015

Link to docs preview:

QE review:

• QE has approved this change.

Additional information:

[openshift-ci-robot]

@bmcelvee: This pull request references OSDOCS-14015 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.20.0" version, but no target version was set.

In response to this:

Version(s):
4.18+

Issue:
https://issues.redhat.com/browse/OSDOCS-14015

Link to docs preview:

QE review:

• QE has approved this change.

Additional information:

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[bmcelvee]

PR on hold until feature release.

[ocpdocs-previewbot]

🤖 Fri May 02 21:06:47 - Prow CI generated the docs preview:

https://92975--ocpdocs-pr.netlify.app/openshift-dedicated/latest/osd_architecture/osd_policy/osd-service-definition.html
https://92975--ocpdocs-pr.netlify.app/openshift-rosa-hcp/latest/rosa_architecture/rosa_policy_service_definition/rosa-hcp-instance-types.html
https://92975--ocpdocs-pr.netlify.app/openshift-rosa/latest/rosa_architecture/rosa_policy_service_definition/rosa-hcp-instance-types.html
https://92975--ocpdocs-pr.netlify.app/openshift-rosa/latest/rosa_architecture/rosa_policy_service_definition/rosa-instance-types.html

[openshift-ci]

@bmcelvee: all tests passed!

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