default or selected kernelversion does not have config value CONFIG_HDM_USB.
Result is shown for kernelversion 6.7-rc3

USB HDM

modulename: hdm_usb.ko

configname: CONFIG_HDM_USB

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>MOST driver
└─>USB HDM
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Say Y here if you want to connect via USB to network tranceiver.
This device driver depends on the networking AIM.

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

source code: