Currently lxc.selinux.context.keyring is placed after
lxc.selinux.context in config_jump_table. This entails that if
lxc.selinux.context.keyring is specified, lxc.selinux.context will be
matched to that option. This commit places the
lxc.selinux.context.keyring before lxc.selinux.context
Signed-off-by: Maximilian Blenk <Maximilian.Blenk@bmw.de>