libcec: update to libcec-2.2.0

Signed-off-by: Stephan Raue <stephan@openelec.tv>
kodi: add PR5610

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/RPi/patches/kodi: update RPi support patch

Signed-off-by: Stephan Raue <stephan@openelec.tv>