default or selected kernelversion does not have config value CONFIG_CAN_NCT6694.
Result is shown for kernelversion 6.18-rc3

Nuvoton NCT6694 Socket CANfd support

modulename: nct6694_canfd.ko

configname: CONFIG_CAN_NCT6694

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>CAN Device Drivers
└─>CAN USB interfaces
└─>Nuvoton NCT6694 Socket CANfd support
If you say yes to this option, support will be included for Nuvoton
NCT6694, a USB device to socket CANfd controller.

This driver can also be built as a module. If so, the module will
be called nct6694_canfd.

source code: