gstreamer1.0-plugins-good: fix PACKAGECONFIG for gudev and add one for v4l2 and libv4l2
* WARN: gstreamer1.0-plugins-good: gstreamer1.0-plugins-good-video4linux2 rdepends on libcap, but it isn't a build dependency?
WARN: gstreamer1.0-plugins-good: gstreamer1.0-plugins-good-video4linux2 rdepends on libgudev, but it isn't a build dependency?
WARN: gstreamer1.0-plugins-good: gstreamer1.0-plugins-good-video4linux2 rdepends on libudev, but it isn't a build dependency?
WARN: gstreamer1.0-plugins-good: gstreamer1.0-plugins-good-video4linux2 rdepends on zlib, but it isn't a build dependency?
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
