staging: comedi: adv_pci1710: remove 'turn' param from move_block_from_fifo()

This parameter is not used in the function. It was only used in some debug
messages that were previously removed. Remove the parameter.

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>