iio: imu: inv_icm45600: add new inv_icm45600 driver

iio: imu: inv_icm45600: add new inv_icm45600 driver

Core component of a new driver for InvenSense ICM-45600 devices.
It includes registers definition, main probe/setup, and device
utility functions.

ICM-456xx devices are latest generation of 6-axis IMU,
gyroscope+accelerometer and temperature sensor. This device
includes a 8K FIFO, supports I2C/I3C/SPI, and provides
intelligent motion features like pedometer, tilt detection,
and tap detection.

Signed-off-by: Remi Buisson <remi.buisson@tdk.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>