staging: comedi: ni_6527: remove DRIVER_NAME define

The request_irq() call should be using dev->board_name to better
identify the irq user.

Remove the DRIVER_NAME define and just open code the 'driver_name' in
the comedi_driver and the 'name' in the pci_driver declarations.

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