v4l2loopback: new package

This package provides a kernel module and utilities in order to use
v4l2loopback virtual devices.  This module allows you to create
"virtual video devices" normal (v4l2) applications will read these
devices as if they were ordinary video devices, but the video will not
be read from e.g. a capture card but instead it is generated by
another application.

Signed-off-by: Alexandre Esse <alexandre.esse.dev@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
diff --git a/package/Config.in b/package/Config.in
index 9df0b42..db6c197 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -49,6 +49,7 @@
 	source "package/udpxy/Config.in"
 	source "package/upmpdcli/Config.in"
 	source "package/v4l2grab/Config.in"
+	source "package/v4l2loopback/Config.in"
 	source "package/vlc/Config.in"
 	source "package/vorbis-tools/Config.in"
 	source "package/wavpack/Config.in"