Preserve ironic OKD dockerfiles

[jupierce]

No description provided.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please ask for approval from jupierce. For more information see the Kubernetes Code Review Process.

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[Prashanth684]

/lgtm

[Prashanth684]

/cherry-pick openshift-4.17

[openshift-cherrypick-robot]

@Prashanth684: new pull request created: #5284

In response to this:

/cherry-pick openshift-4.17

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 kubernetes-sigs/prow repository.

[Prashanth684]

/cherry-pick openshift-4.16

[openshift-cherrypick-robot]

@Prashanth684: new pull request created: #5285

In response to this:

/cherry-pick openshift-4.16

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 kubernetes-sigs/prow repository.