svn commit: r184941 - head/sys/dev/usb

[Nick Hibma]

> Log:
>   Add a reset device command to ugen.c.
>   This is needed to make some devices work that require a firmware upload
>   and a USB reset afterwards.
>
> Modified:
>   head/sys/dev/usb/ugen.c
>   head/sys/dev/usb/usb.h
>   head/sys/dev/usb/usb_subr.c
>   head/sys/dev/usb/usbdi.c
>   head/sys/dev/usb/usbdi.h

Forgot:

MFC:	3 weeks