linux: update to linux-3.14.12

Signed-off-by: Stephan Raue <stephan@openelec.tv>
libXi: update to libXi-1.7.3

Signed-off-by: Stephan Raue <stephan@openelec.tv>
e2fsprogs: update to e2fsprogs-1.42.11

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xf86-video-nvidia-legacy: update to xf86-video-nvidia-legacy-304.123

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