CONFIG_ARCH_IOP13XX is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

IOP13xx-based

modulename: setup.ko

and/or

irq.ko

and/or

pci.ko

and/or

io.ko

and/or

tpmi.ko

and/or

cp6.ko

and/or

time.ko

configname: CONFIG_ARCH_IOP13XX

ARM system type
└─>IOP13xx-based
In linux kernel since version 2.6.21 (release Date: 2007-04-25)  
Support for Intel's IOP13XX (XScale) family of processors.

source code:
selects
CONFIG_CPU_XSC3
CONFIG_PLAT_IOP
CONFIG_PCI
CONFIG_ARCH_SUPPORTS_MSI
CONFIG_VMSPLIT_1G

depends
CONFIG_MMU

is selected by
CONFIG_INTEL_IOP_ADMA