Updated README
Updated README

Signed-off-by: Carlos Rafael Giani <d7d2e6b3863b2910d2ca34828bc651c85d88df6f@pseudoterminal.org>

Josuercuevas/gstreamer-imx,commshare/gstreamer-imx,Josuercuevas/gstreamer-imx,commshare/gstreamer-imx