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

ARM Ltd. Integrator family

configname: CONFIG_ARCH_INTEGRATOR

ARM system type
└─>ARM Ltd. Integrator family
In linux kernel since version 2.6.12  
Support for ARM's Integrator platform.



is selected by
CONFIG_ARCH_INTEGRATOR_CP