iio: bmi323: suspend and resume triggering on relevant pm operations

Prevent triggers from stop working after the device has entered sleep:
use iio_device_suspend_triggering and iio_device_resume_triggering helpers.

Signed-off-by: Denis Benato <benato.denis96@gmail.com>
Link: https://patch.msgid.link/20240807185619.7261-3-benato.denis96@gmail.com


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