systemd: fix ordering for machineid and run-postinsts services
The remount-rootfs.service unit has been renamed to
systemd-remount-fs.service in systemd v183 and later.
The run-postinsts script writes to /var/log (a symbolic link to
/var/volatile/log), so systemd-tmpfiles-setup.service is added to After=
in run-postinsts.service to ensure /var/volatile/log is created before
running the script.
[YOCTO #4490]
Signed-off-by: Jonathan Liu <net147@gmail.com> Signed-off-by: Saul Wold <sgw@linux.intel.com>
