The clear text password support has been dropped. So let's just
use a normal ecrypted one. The password remains to be 'user3'.

(From OE-Core rev: 688ec6a245d3d8a92c358e13baf752c9bac332e2)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit cd8232f9c58980d95180ad320b7b0bb0fcfd9ff5)
Signed-off-by: Fabio Berton <fabio.berton@criticaltechworks.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>