system-setup-keyboard: add new recipe

system-setup-keyboard is a daemon to monitor the keyboard layout
configured in /etc/sysconfig/keyboard and transfer this into the
matching xorg.conf.d snippet.

Signed-off-by: Li Xin <lixin.fnst@cn.fujitsu.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>