default or selected kernelversion does not have config value CONFIG_I2C_NUC900.
Result is shown for kernelversion 6.5.1

NUC900 I2C Driver

modulename: i2c-nuc900.ko

configname: CONFIG_I2C_NUC900

Linux Kernel Configuration
└─>Device Drivers
└─>I2C support
└─>I2C Hardware Bus support
└─>NUC900 I2C Driver
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
Say Y here to include support for I2C controller in the
Winbond/Nuvoton NUC900 based System-on-Chip devices.

source code: