Description of problem:
Firmware in the compute profile for VMware defaults to BIOS every time after it's edited to any other firmware.

Version-Release number of selected component (if applicable):
6.15

How reproducible:
Always

Steps to Reproduce:
1. Create a VMware Compute Resource
2. Update any compute profile (for eg: 1-Small) and set Firmware to `Automatic`
3. Open that compute profile again

Actual results:
The firmware is defaulted to `BIOS`

Expected results:
The firmware should remain where it was while updating the compute profile

Additional info: