xf86-video-intel: update to xf86-video-intel-2.21.6

Signed-off-by: Stephan Raue <stephan@openelec.tv>
libXi: update to libXi-1.7.1

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xproto: update to xproto-7.0.24

Signed-off-by: Stephan Raue <stephan@openelec.tv>
libXi: depends on package 'inputproto'

Signed-off-by: Stephan Raue <stephan@openelec.tv>
inputproto: update to inputproto-2.3

Signed-off-by: Stephan Raue <stephan@openelec.tv>
systemd: update to systemd-200

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