RFE: Allow users to enable the capability to use UltraSSD disks in Azure

1. Proposed title of this feature request

Allow users to enable the capability to use UltraSSD disks in Azure

2. What is the nature and description of the request?

There's no way to get this done in IPI and doing it in UPI makes lose some features like auto-scaling

3. Why does the customer need this? (List the business requirements here)

It's needed for using UltraSSD disks for both, data disks and also PVs.

4. Is there already an existing RFE upstream or in Red Hat Bugzilla?

No, but this is also needed for RFE-479

5. List any affected packages or components.

Installer, MachineAPI-Azure