Automatically enable this support for distributions which have
systemd in DISTRO_FEATURES.
We add additional patches to weston, backported from Weston
git, to support the newer single libsystemd pkg-config file
and to make the enabling of systemd-login support explicit.
(From OE-Core rev: f51ba9a89ee8cede03b5b7834579fd63fa483267)
Signed-off-by: Joshua Lock <joshua.lock@collabora.co.uk>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
