12: Secure Boot on Surface Pro 4 with Pop!_OS

I think I'm overthinking this. I think I'll follow the instructions for Secure Boot for the Linux Surface project and see how that goes.

The GH project's wiki references following steps outlined in the ArchWiki.

Additionally, I came across the following sources:

I haven't been able to sit down and try this — but expect that this worked if I don't come back to follow up.