Update dev-machine-setup.md

[arikanev]

Changes

Added step in readme on enabling autodetect for bridged networking on VMWare.
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Reason

Necessary for VMware networking functionality to work correctly.
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License Acceptance

By submitting this pull request, I confirm that my contribution is made under
the terms of the Apache 2.0 license. For more information on following Developer
Certificate of Origin and signing off your commits, please check
CONTRIBUTING.md.

PR Checklist

• [ X] I have read and understand CONTRIBUTING.md.
• [ X] I have run tools/devtool checkstyle to verify that the PR passes the
  automated style checks.
• [ X] I have described what is done in these changes, why they are needed, and
  how they are solving the problem in a clear and encompassing way.
• [ X] I have updated any relevant documentation (both in code and in the docs)
  in the PR.
• [ X] I have mentioned all user-facing changes in CHANGELOG.md.
• [ X] If a specific issue led to this PR, this PR closes the issue.
• [ X] When making API changes, I have followed the
  Runbook for Firecracker API changes.
• [ X] I have tested all new and changed functionalities in unit tests and/or
  integration tests.
• [ X] I have linked an issue to every new TODO.

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• This functionality cannot be added in rust-vmm.

[bchalios]

Hi @arikanev,

Could you please fix your commit to pass DCO? You need to add a commit body and commit with git commit -s