iio: imu: st_lsm6dsx: fix FIFO_CTRL2 overwrite during watermark configuration

Fixes: 290a6ce11d93 (iio: imu: add support to lsm6dsx driver)
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
1 file changed