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

CONFIG_AINTC (not configurable)

modulename: irq.ko

configname: CONFIG_AINTC

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