ARM CCI400 PMU support

configname: CONFIG_ARM_CCI400_PMU

Linux Kernel Configuration
└─>Device Drivers
└─>Bus devices
└─>ARM CCI400 PMU support
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Support for PMU events monitoring on the ARM CCI cache coherent
interconnect.

If unsure, say Y