iio: addac: Kconfig: update ad74413r selections

Building ad74413r without selecting IIO_BUFFER and
IIO_TRIGGERED_BUFFER generates error with respect to the iio trigger
functions that are used within the driver.
Update the Kconfig accordingly.

Fixes: fea251b ("iio: addac: add AD74413R driver")
Signed-off-by: Antoniu Miclaus <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Cc: <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>

Author: amiclaus

drivers/iio/addac/Kconfig

@@ -24,6 +24,8 @@ config AD74413R
 	depends on GPIOLIB && SPI
 	select REGMAP_SPI
 	select CRC8
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
 	  Say yes here to build support for Analog Devices AD74412R/AD74413R
 	  quad-channel software configurable input/output solution.