staging: comedi: rtd520: cleanup the range tables

Change the whitespace of the range tables to avoid the > 80
character lines and the ugly line breaks. Convert a couple of
the RANGE() values into the appropriate {UNI,BIP}_RANGE().

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>