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

CONFIG_ARC_HAS_COH_CACHES (not configurable)

configname: CONFIG_ARC_HAS_COH_CACHES

Linux Kernel Configuration
└─>ARC Architecture Configuration
└─>ARC CPU Configuration
└─>ARC_HAS_COH_CACHES
In linux kernel since version 3.1 (release Date: 2011-10-24)  
depends
CONFIG_SMP