Mesa: fix build when building with LLVM support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xbmc: update to xbmc-12.2-49610fa

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xbmc: update to xbmc-12.2-8e4f924

Signed-off-by: Stephan Raue <stephan@openelec.tv>
bcm2835-driver: update to bcm2835-driver-89ac8f4

Signed-off-by: Stephan Raue <stephan@openelec.tv>
bcm2835-bootloader: update to bcm2835-bootloader-89ac8f4

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