ffmpeg: add patch for VFP acceleration

Signed-off-by: Stephan Raue <stephan@openelec.tv>
ffmpeg (1.2): add patch for VFP acceleration

Signed-off-by: Stephan Raue <stephan@openelec.tv>
ffmpeg (1.2): update to ffmpeg-1.2.1

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv