[WIP] machineconfiguration: add dropInDir details for KubeletConfigSpec

[sohankunkerkar]

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[openshift-ci]

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API design plays an important part in the user experience of OpenShift and as such API PRs are subject to a high level of scrutiny to ensure they follow our best practices. If you haven't already done so, please review the OpenShift API Conventions and ensure that your proposed changes are compliant. Following these conventions will help expedite the api review process for your PR.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: sohankunkerkar
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[openshift-ci]

@sohankunkerkar: The following tests 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/verify-crd-schema	1e2d17e	link	true	/test verify-crd-schema
ci/prow/e2e-aws-serial	1e2d17e	link	true	/test e2e-aws-serial
ci/prow/lint	1e2d17e	link	true	/test lint
ci/prow/e2e-aws-serial-techpreview	1e2d17e	link	true	/test e2e-aws-serial-techpreview
ci/prow/okd-scos-e2e-aws-ovn	1e2d17e	link	false	/test okd-scos-e2e-aws-ovn

Full PR test history. Your PR dashboard.

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