iio: chemical: ens160: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig

This driver makes use of triggered buffers, but does not select the
required modules.

Add the missing 'select IIO_BUFFER' and 'select IIO_TRIGGERED_BUFFER'.

Fixes: 0fc2659 ("iio: chemical: ens160: add triggered buffer support")
Signed-off-by: Javier Carrasco <[email protected]>
Acked-by: Gustavo Silva <[email protected]>
Link: https://patch.msgid.link/[email protected]
Cc: <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>

Author: javiercarrascocruz

drivers/iio/chemical/Kconfig

@@ -80,6 +80,8 @@ config ENS160
 	tristate "ScioSense ENS160 sensor driver"
 	depends on (I2C || SPI)
 	select REGMAP
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	select ENS160_I2C if I2C
 	select ENS160_SPI if SPI
 	help