We need to prevent the psplash init script from running via systemd
because the script is supposed to be used by sysvinit system and it
doesn't have any real effect in a systemd based system.
(From OE-Core rev: 2e847db3ac3333a68b721b11624f4f515bda7ccf)
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>