CONFIG_CPU_IDLE_MULTIPLE_DRIVERS (not configurable)

configname: CONFIG_CPU_IDLE_MULTIPLE_DRIVERS

Linux Kernel Configuration
└─>Power management and ACPI options
└─>CPU Idle
└─>CPU_IDLE_MULTIPLE_DRIVERS
In linux kernel since version 3.10 (release Date: 2013-06-30)  
depends
CONFIG_CPU_IDLE