CONFIG_INTEGRATOR_CTB36 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Integrator/CTB36 (ARM1136JF-S) core tile

configname: CONFIG_INTEGRATOR_CTB36

Linux Kernel Configuration
└─>ARM Ltd. Integrator family
└─>Integrator/CTB36 (ARM1136JF-S) core tile
In linux kernel since version 4.1 (release Date: 2015-06-21)  
selects
CONFIG_CPU_V6