update to usbdux driver from Bernd Porr who says:

update to usbdux driver from Bernd Porr who says:

Had to change the USB 2.0 transfer protocol from IRQ transfer to ISO transfer.
Reason: IRQ transfer is still not stable (2.4/2.6). However, ISO transfer has
been rewritten in the kernel and works (just now in 2.6 but will be backported
sooner or later)!
I supply new firmware and a new version of the driver which now uses ISO
transfer throughout (1.1 / 2.0).