default or selected kernelversion does not have config value CONFIG_AD7173.
Result is shown for kernelversion 6.9.8

Analog Devices AD7173 driver

modulename: ad7173.ko

configname: CONFIG_AD7173

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Analog to digital converters
└─>Analog Devices AD7173 driver
In linux kernel since version 4.19.318 (release Date: 2024-07-18)  
Say yes here to build support for Analog Devices AD7173 and similar ADC
Currently supported models:
- AD7172-2
- AD7173-8
- AD7175-2
- AD7176-2

To compile this driver as a module, choose M here: the module will be
called ad7173.

source code: