AMD Strix Halo ROCm support

[Lethja]

Description

Adds support for detecting and downloading a compatible version of pytorch for the AMD Strix Halo series of APUs.

Checklist:

• [x] I have read contributing wiki page
• [x] I have performed a self-review of my own code
• [x] My code follows the style guidelines
• [x] My code passes tests