iio: bmi323: peripheral in lowest power state on suspend

The bmi323 is mounted on some devices that are powered
by an internal battery: help in reducing system overall power drain
while the system is in s2idle or the imu driver is not loaded
by resetting it in its lowest power draining state.

Signed-off-by: Denis Benato <benato.denis96@gmail.com>
Link: https://patch.msgid.link/20240824141122.334620-2-benato.denis96@gmail.com


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>