USB: visor: fix initialisation of UX50/TH55 devices

Fix regression introduced by commit
214916f2 (USB: visor: reimplement using
generic framework) which broke initialisation of UX50/TH55 devices that
used re-mapped bulk-out endpoint addresses.

Reported-by: Robert Gadsdon <rgadsdon@bayarea.net>
Tested-by: Robert Gadsdon <rgadsdon@bayarea.net>
Cc: stable <stable@kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>