staging: comedi: ii_pci20kc: move comedi_lrange tables

For aesthetic reasons, move the static const data to the head of
the file.

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>