Add device tree bindings for AD4695 and similar ADCs.
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20240711-iio-adc-ad4695-v4-0-c31621113b57@baylibre.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>