projects/RPi/patches/xbmc-master: update RPi support patch

Signed-off-by: Stephan Raue <stephan@openelec.tv>
systemd: update to systemd-214

Signed-off-by: Stephan Raue <stephan@openelec.tv>
systemd: dont install etc/xdg
systemd: add systemd-network user/group

now this is required for tmpfiles.d/systemd.conf
avahi-daemon: dont depend on syslog.target
openssh: dont depend on syslog.target
cron: dont depend on syslog.target
tmpfiles.d: cleanup. rename
xbmc: add fake display-manager.service

.. to silence errors in journal.