staging: comedi: hwdrv_apci1564: fix counter "mode" setting

According to the (broken) original driver, data[4] passed to this function
is the "timer mode". It appears the original code used the wrong shift to
set the bits.

Use the ADDI_TCW_CTRL_MODE() macro so that the correct bits get set.
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>

drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c

@@ -116,7 +116,7 @@ static int apci1564_counter_insn_config(struct comedi_device *dev,
 	ctrl &= ~(ADDI_TCW_CTRL_EXT_CLK_MASK | ADDI_TCW_CTRL_MODE_MASK |
 		  ADDI_TCW_CTRL_TIMER_ENA | ADDI_TCW_CTRL_RESET_ENA |
 		  ADDI_TCW_CTRL_WARN_ENA);
-	ctrl |= ADDI_TCW_CTRL_CNTR_ENA | ADDI_TCW_CTRL_EXT_CLK(data[4]);
+	ctrl |= ADDI_TCW_CTRL_CNTR_ENA | ADDI_TCW_CTRL_MODE(data[4]);
 	outl(ctrl, iobase + ADDI_TCW_CTRL_REG);
 
 	/* Enable or Disable Interrupt */