[oe] Multiple .bb files are due to be built which each provide udev

[Stan Hu]

> My automated build system updated to the latest master of
> meta-openembedded, and now I'm getting theis error message:
>
> ERROR: Multiple .bb files are due to be built which each provide udev
> (/var/lib/jenkins/jobs/systemd-image/workspace/setup-scripts/sources/meta-openembedded/meta-oe/recipes-core/udev/
> udev_182.bb/var/lib/jenkins/jobs/systemd-image/workspace/setup-scripts/sources/meta-openembedded/meta-oe/recipes-core/systemd/
> systemd_git.bb).
>
> I think I have recipes that depend upon libudev, so BitBake pulls in both
> these recipes.  I'm not quite sure why I didn't get these warnings before I
> updated.  What's the best way to resolve this?
>