dt-bindings: iio: proximity: Add TYHX HX9023S

A capacitive proximity sensor

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Yasin Lee <yasin.lee.x@gmail.com>
Link: https://patch.msgid.link/20240702-add-tyhx-hx9023s-sensor-driver-v9-2-c030f1801d9b@gmail.com


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