iio: imu: st_lsm6dsx: add FIFO ops data structure

Introduce FIFO ops data structure to contain FIFO related parameters
in order to properly support more devices in st_lsm6dsx driver

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
3 files changed