iio: bmg160: IIO_BUFFER and IIO_TRIGGERED_BUFFER are required

This patch adds selects for IIO_BUFFER and IIO_TRIGGERED_BUFFER. Without
IIO_BUFFER, the driver does not compile.

Signed-off-by: Markus Pargmann <[email protected]>
Reviewed-by: Srinivas Pandruvada <[email protected]>
Cc: <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>

Author: Markus Pargmann

drivers/iio/gyro/Kconfig

@@ -53,7 +53,8 @@ config ADXRS450
 config BMG160
 	tristate "BOSCH BMG160 Gyro Sensor"
 	depends on I2C
-	select IIO_TRIGGERED_BUFFER if IIO_BUFFER
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
 	  Say yes here to build support for Bosch BMG160 Tri-axis Gyro Sensor
 	  driver. This driver also supports BMI055 gyroscope.