CONFIG_XILINX_INTC (not configurable)

modulename: irq-xilinx-intc.ko

configname: CONFIG_XILINX_INTC

Linux Kernel Configuration
└─>Device Drivers
└─>IRQ chip support
└─>XILINX_INTC
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
drivers/irqchip/irq-xilinx-intc.c
selects
CONFIG_IRQ_DOMAIN