[SeaBIOS] USB3 problems

[Kevin O'Connor]

On Tue, Nov 10, 2015 at 08:57:57AM -0500, Kevin O'Connor wrote:
> commit d331c611e5572270419406e1e0057cd17e502edd
> Author: Kevin O'Connor <kevin at koconnor.net>
> Date:   Tue Nov 10 08:50:52 2015 -0500
> 
>     xhci: Check for device disconnects during USB2 reset polling
>     
>     Some XHCI controllers register super-speed devices on high-speed ports
>     and then disconnect them when the super-speed detection completes.
>     Make sure to recognize these disconnect events during the reset
>     process.
>     
>     Signed-off-by: Kevin O'Connor <kevin at koconnor.net>

FYI, I committed this patch.

-Kevin