Support AdvancedMachineFeatures

[theobarberbany]

/kind feature

Describe the solution you'd like

Adding support for AdvancedMachineFeatures to GCP CAPI Machines.

This would allowsetting options such as enable_nested_virtualization , threads_per_core , visible_core_count , enable_uefi_networking.

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]

[k8s-triage-robot]

The Kubernetes project currently lacks enough contributors to adequately respond to all issues.

This bot triages un-triaged issues according to the following rules:

• After 90d of inactivity, lifecycle/stale is applied
• After 30d of inactivity since lifecycle/stale was applied, lifecycle/rotten is applied
• After 30d of inactivity since lifecycle/rotten was applied, the issue is closed

You can:

• Mark this issue as fresh with /remove-lifecycle stale
• Close this issue with /close
• Offer to help out with Issue Triage

Please send feedback to sig-contributor-experience at kubernetes/community.

/lifecycle stale

[salasberryfin]

/remove-lifecycle stale