Add media_codecs.xml to installed files

Add media_codecs.xml to installed files so that media playback works also on open source system.

Signed-off-by: Diego Rondini <diego.rondini@kynetics.it>
Merge branch 'imx_open-jb4.3_1.1.0-ga' into warp/imx_open-jb4.3_1.1.0-ga
Add media_codecs.xml to installed files for WaRP

Signed-off-by: Diego Rondini <diego.rondini@kynetics.it>