CONFIG_ALCHEMY_GPIOINT_AU1000 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

CONFIG_ALCHEMY_GPIOINT_AU1000 (not configurable)

modulename: irq.ko

and/or

gpiolib-au1000.ko

configname: CONFIG_ALCHEMY_GPIOINT_AU1000

Linux Kernel Configuration
└─>ALCHEMY_GPIOINT_AU1000
In linux kernel since version 2.6.34 (release Date: 2010-05-16)  
source code:
arch/mips/alchemy/common/irq.c