busybox: Fix reproducibility

The ensures that globbing results in same order irrespective of shell in
use

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit fdeee94f)
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>