default or selected kernelversion does not have config value CONFIG_I2C_NCT6694.
Result is shown for kernelversion 6.18-rc7

Nuvoton NCT6694 I2C adapter support

modulename: i2c-nct6694.ko

configname: CONFIG_I2C_NCT6694

Linux Kernel Configuration
└─>Device Drivers
└─>I2C support
└─>I2C Hardware Bus support
└─>Nuvoton NCT6694 I2C adapter support
In linux kernel since version 6.12.57 (release Date: 2025-11-02)  
If you say yes to this option, support will be included for Nuvoton
NCT6694, a USB to I2C interface.

This driver can also be built as a module. If so, the module will
be called i2c-nct6694.

source code: