buildroot

eudev: bump to version 1.5.2.

This version of eudev is synced with systemd 210 (notably gudev API
changes).

It comes with an upstream patch to fix a build error involving
<fcntl.h>.

Signed-off-by: Eric Le Bihan <eric.le.bihan.dev@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>