xbmc: (temporary) remove upstream commit which breaks the RPi build

Signed-off-by: Stephan Raue <stephan@openelec.tv>
linux: update to linux-3.16.4

Signed-off-by: Stephan Raue <stephan@openelec.tv>
rtl8821ae 5ghz quick and dirty workaround
do not unload CEC module