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

CONFIG_CP_INTC (not configurable)

modulename: cp_intc.ko

configname: CONFIG_CP_INTC

Linux Kernel Configuration
└─>CP_INTC
In linux kernel since version 2.6.31 (release Date: 2009-09-09)  
source code:
arch/arm/mach-davinci/cp_intc.c
selects
CONFIG_IRQ_DOMAIN