poky-ivi-systemd.conf: follow poky.conf changes, cleanup
poky-ivi-systemd.conf: follow poky.conf changes, cleanup

* do not require meta/conf/distro/defaultsetup.conf
* set PREFERRED_PROVIDER_jpeg distro wide (instead of machine)
* merge in poky.conf changes done lately

Signed-off-by: Holger Behrens <98f18a67f01faff73bab751967d5486486acb96b@windriver.com>

MentorEmbedded/meta-ivi