Igpu passthrough

Stumbled upon this:

https://github.com/patmagauran/i915ovmfPkg/wiki

From this article:

https://www.reddit.com/r/VFIO/comments/innriq/successful_macos_catalina_with_intel_gvtg/?utm_source=share&utm_medium=ios_app&utm_name=iossmf

(Way more up to date details in the first comment)

This could be used to improve the responsiveness of the container even more if passed in the args, thoughts?