iio: proximity: hx9023s: Added firmware file parsing functionality

Configuration information is now prioritized from the firmware file.
If the firmware file is missing or fails to parse, the driver falls
back to using the default configuration list for writing the settings.

Signed-off-by: Yasin Lee <yasin.lee.x@gmail.com>
Link: https://patch.msgid.link/20241216-hx9023s-firmware-20241209-v2-1-ce1b0a1121d0@gmail.com


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