staging: comedi: amplc_pci230: reformat a load of comments

Reformat a load of comments to fit in with the preferred coding style,
including the copyright and driver description comments at the top of
the file.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>