default or selected kernelversion does not have config value CONFIG_RTC_DRV_NUC900.
Result is shown for kernelversion 6.9.9
NUC910/NUC920 RTC driver
modulename: rtc-nuc900.ko
configname: CONFIG_RTC_DRV_NUC900
Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>NUC910/NUC920 RTC driver
In linux kernel since version 2.6.33 (release Date: 2010-02-24)
If you say yes here you get support for the RTC subsystem of the
NUC910/NUC920 used in embedded systems.
NUC910/NUC920 used in embedded systems.