Instead of creating empty /etc/machine-id file using touch, write
text "uninitialized" into it. Systemd requires "uninitialized" in
the /etc/machine-id file to trigger systemd-firstboot .
(From OE-Core rev: 263c852269027b1bd311e116021ac49d9001e1b0)
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>