Adding documentation for Analog Devices max11410 adc userspace sysfs.
Signed-off-by: NIbrahim Tilki <Ibrahim.Tilki@analog.com>
Link: https://lore.kernel.org/r/20221003105903.229-4-Ibrahim.Tilki@analog.comSigned-off-by: NJonathan Cameron <Jonathan.Cameron@huawei.com>