staging:ced1401: use module_usb_driver macro

the module init and exit functions that are
doing usb_register and usb_deregister respectively can be
replaced with module_usb_driver code

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>