poky-altconfig: enable usrmerge DISTRO_FEATURE
The point of poky-altconfig is to exercise popular DISTRO_FEATURES which
are not enabled in nodistro or poky out of the box.
With the upcoming v254 release of systemd mandating usrmerge[1] this
will become mandatory for anyone using systemd, so get ahead of the
curve and enable it in poky-altconfig now to shake out any problems and
ensure it is continually tested.
[1] https://lists.freedesktop.org/archives/systemd-devel/2023-June/049173.html
(From meta-yocto rev: 060021abc795cebbbf003265c2fcb976505333a8)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Ross Burton