projects/Cuboxi: remove unneeded patch

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/RPi: update RPi patches, enable kernel 3.13 support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
linux: remove kernel 3.12 patches and support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
SDL: try a different way to fix the mess

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