staging: comedi: usbduxsigma: cleanup comedi_lrange table

Rename the table so it has namespace associated with the driver.
Tidy up the whitespace of the table.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>