FreeBSD on Layerscape/QorIQ LX2160X

[Dan Kotowski]

> https://send.firefox.com/download/ae38fa35246497c1/#AVSGMsnrM0YB2MSL7rRJRQ
>
> -   customized pcie driver
>
> -   https://reviews.freebsd.org/D25121
> -   more interrupt debugging (stray interrupts, all GIC config writes)

https://gist.github.com/agrajag9/484cdd9c340a15f88be0fabbe2cf9b09

With NVMe attached it no longer panics, now it just hangs

Loading mps still just loops

And anything attached via AHCI is still MIA