[SeaBIOS] seabios does not support booting from usb-uas with nec-usb-xhci

[Gerd Hoffmann]

On Fr, 2016-05-06 at 17:00 +0800, Tom Yan wrote:
> Strangely, seabios supports booting from usb-uas with usb-ehci:
> 
> https://drive.google.com/open?id=0B50PCxfm5KU1dUFTUG9HU0pEcXc
> 
> and usb-bot with nec-usb-xhci:
> 
> https://drive.google.com/open?id=0B50PCxfm5KU1QnVzdTBIdEFzZW8
> 
> but not usb-uas with nec-usb-xhci:
> 
> https://drive.google.com/open?id=0B50PCxfm5KU1Z0t1akNXaVZZLTQ
> 
> This makes me wonder if it is just a missing feature of a bug.

missing support for usb3 streams in seabios.

cheers,
  Gerd