Enable Media controller Request API (EXPERIMENTAL)

configname: CONFIG_MEDIA_CONTROLLER_REQUEST_API

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>Enable Media controller Request API (EXPERIMENTAL)
In linux kernel since version 3.10 (release Date: 2013-06-30)  
DO NOT ENABLE THIS OPTION UNLESS YOU KNOW WHAT YOU'RE DOING.

This option enables the Request API for the Media controller and V4L2
interfaces. It is currently needed by a few stateless codec drivers.

There is currently no intention to provide API or ABI stability for
this new API as of yet.