* udevadm is being moved to /bin. /sbin/udevadm will remain as a
compatibility symlink.
* xpp_fxloader should also look for /bin/udevadm in addition to
/sbin/udevadm and /sbin/udevsettle
* Reverse the order: look for newer ones first.
Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>