osd: bind mount /var/run/udev/

without this, the command `ceph-volume lvm list --format json` hangs and
takes a very long time to complete.

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>

roles/ceph-osd/templates/ceph-osd-run.sh.j2

@@ -92,6 +92,7 @@ fi
   -v /var/lib/ceph:/var/lib/ceph:z \
   -v /etc/ceph:/etc/ceph:z \
   -v /var/run/ceph:/var/run/ceph:z \
+  -v /var/run/udev/:/var/run/udev/:z \
   {% if ansible_distribution == 'Ubuntu' -%}
   --security-opt apparmor:unconfined \
   {% endif -%}