msm: v4l2loopback: to create V4L2 loopback devices

This module allows to create "virtual video devices".
Normal (v4l2) applications will read these devices as
if they were ordinary video devices.

Git-commit: 541e3bc7aaf46dc9a21f92c7f527397fce03dfd8
Git-repo: https://github.com/umlaeute/v4l2loopback.git


Revision: v0.12.1
Change-Id: I0ac87a58ad3b113ff5e2d6bd5e7c32ff71e1493c
Signed-off-by: Jia Jin <jinjia@codeaurora.org>