default or selected kernelversion does not have config value CONFIG_USB_OHCI_ATH79.
Result is shown for kernelversion 6.7-rc3

USB OHCI support for the Atheros AR71XX/AR7240 SoCs (DEPRECATED)

configname: CONFIG_USB_OHCI_ATH79

Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>USB OHCI support for the Atheros AR71XX/AR7240 SoCs (DEPRECATED)
In linux kernel since version 3 (release Date: 2011-07-21)  
This option is deprecated now and the driver was removed, use
USB_OHCI_HCD_PLATFORM instead.

Enables support for the built-in OHCI controller present on the
Atheros AR71XX/AR7240 SoCs.