staging:iio:adis16400: Fix ADIS16300 ROLL_OUT register address

In the current driver ROLL_OUT register address is the same as the PITCH_OUT
register address. This patch fixes it to use the correct address.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/iio/imu/adis16400.h

@@ -42,7 +42,7 @@
 #define ADIS16350_ZTEMP_OUT 0x14 /* Z-axis gyroscope temperature measurement */
 
 #define ADIS16300_PITCH_OUT 0x12 /* X axis inclinometer output measurement */
-#define ADIS16300_ROLL_OUT  0x12 /* Y axis inclinometer output measurement */
+#define ADIS16300_ROLL_OUT  0x14 /* Y axis inclinometer output measurement */
 
 /* Calibration parameters */
 #define ADIS16400_XGYRO_OFF 0x1A /* X-axis gyroscope bias offset factor */