Add device power capping based on the energy model

modulename: dtpm_devfreq.ko

configname: CONFIG_DTPM_DEVFREQ

Linux Kernel Configuration
└─>Device Drivers
└─>Generic powercap sysfs driver
└─>Add device power capping based on the energy model
In linux kernel since version 5.2 (release Date: 2019-07-07)  
This enables support for device power limitation based on
energy model.

source code:
drivers/powercap/dtpm_devfreq.c