CONFIG_CPU_NUC960 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_CPU_NUC960 (not configurable)

modulename: nuc960.ko

configname: CONFIG_CPU_NUC960

Linux Kernel Configuration
└─>CPU_NUC960
In linux kernel since version 2.6.32 (release Date: 2009-12-02)  
Support for NUCP960 of Nuvoton NUC900 CPUs.

source code: