iio: imu: mpu6050: Move config entry into IMU menu

Signed-off-by: NManuel Stahl <manuel.stahl@iis.fraunhofer.de>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

drivers/iio/imu/Kconfig

@@ -25,6 +25,8 @@ config ADIS16480
 	  Say yes here to build support for Analog Devices ADIS16375, ADIS16480,
 	  ADIS16485, ADIS16488 inertial sensors.
 
+source "drivers/iio/imu/inv_mpu6050/Kconfig"
+
 endmenu
 
 config IIO_ADIS_LIB
@@ -38,5 +40,3 @@ config IIO_ADIS_LIB_BUFFER
 	help
 	  A set of buffer helper functions for the Analog Devices ADIS* device
 	  family.
-
-source "drivers/iio/imu/inv_mpu6050/Kconfig"