CONFIG_ARC_HAS_ICACHE is not available for thedefaultarchitecture x86.
Result is shown for architecture arc

Use Instruction Cache

configname: CONFIG_ARC_HAS_ICACHE

Linux Kernel Configuration
└─>ARC Architecture Configuration
└─>ARC CPU Configuration
└─>Enable Cache Support
└─>Use Instruction Cache
In linux kernel since version 3.1 (release Date: 2011-10-24)