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

CONFIG_PLAT_VERSATILE_FPGA_IRQ (not configurable)

modulename: fpga-irq.ko

configname: CONFIG_PLAT_VERSATILE_FPGA_IRQ

Linux Kernel Configuration
└─>PLAT_VERSATILE_FPGA_IRQ
In linux kernel since version 2.6.39 (release Date: 2011-05-18)  
source code:
arch/arm/plat-versatile/fpga-irq.c