CONFIG_ARCH_IQ80331 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Enable support for IQ80331

modulename: iq80331-mm.ko

configname: CONFIG_ARCH_IQ80331

Linux Kernel Configuration
└─>IOP3xx Implementation Options
└─>Enable support for IQ80331
In linux kernel since version 2.6.12  
Say Y here if you want to run your kernel on the Intel IQ80331
evaluation kit for the IOP331 chipset.

source code:
/arch/arm/mach-iop3xx/