Staging: comedi: add amplc_pci230 driver

Driver for Amplicon PCI230 and PCI260 Multifunction I/O boards

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: David Schleef <ds@schleef.org>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Cc: Steve D Sharples <steve.sharples@nottingham.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>