libcec: move imx6 patches to project folder, build libcec-2.1.4 for imx6 project

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/imx6/linux: remove deprecated commandline options

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/imx6/patches/kodi: add patch to support libcec-2.1

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xf86-video-intel: disable tearfree support

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

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Revert "kodi: remove some patches from FM patch, which breaks audio if P8 CEC adapter is used"

This reverts commit a2ae8544b79d9c76025854a591ef2311cfc41435.