dt-bindings: iio: accel: add ADXL380

Add dt-bindings for ADXL380/ADLX382 low noise density, low
power, 3-axis accelerometer with selectable measurement ranges.

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://patch.msgid.link/20240708104114.29894-1-antoniu.miclaus@analog.com


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