UsbDk: treat USB 1.x devices as full speed on Windows XP
UsbDk: treat USB 1.x devices as full speed on Windows XP

Windows API doesn't provide means to distinguish between
low and full speed USB devices.

This patch changes XP code to make it wor the same way
Windows Vista+ code works.

Signed-off-by: Pavel Gurvich <2375fa63e2908bb2df59f606483a3aa92321db7a@daynix.com>
Signed-off-by: Dmitry Fleytman <f50f56ffad4b379c2a89812e98b14900ef87e9ea@redhat.com>

daynix/UsbDk,freedesktop-unofficial-mirror/spice__win32__usbdk,freedesktop-unofficial-mirror/spice__win32__usbdk,freedesktop-unofficial-mirror/spice__win32__usbdk,SPICE/win32-usbdk,daynix/UsbDk,SPICE/win32-usbdk