Updated README

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Added libphycontmem, a BMM successor

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
linux-cubox: srcrev update

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
xf86-video-dove: updated srcrev

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Added gst-plugins-vmetaxv, a replacement for gst-plugins-bmmxv

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
recipes-image: updated image contents

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