Nutanix AMD-V - hardware assisted virtualisation
Solution 1:
They don't...
https://www.nutanix.com/products/hardware-platforms/
Good news: You can migrate VMs from AMD to Intel "patching" them in real time.
Solution 2:
Nutanix now does support AMD Epyc processors in partnership with HPE ProLiant DX servers! https://www.nutanix.com/hpe/amd