bcm2835-driver: update to bcm2835-driver-9bf9da2

Signed-off-by: Stephan Raue <stephan@openelec.tv>
bcm2835-tools: update to bcm2835-tools-9bf9da2

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

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/*/linux: add STK1160 support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
config/version: set version to 4.1.6

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