CONFIG_AINTC is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_AINTC.
Result is shown for kernelversion 6.8.2

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