Based on suggested new package by Marco Trapanese ([1]).
[1] http://lists.busybox.net/pipermail/buildroot/2014-February/090661.html
[Thomas: make it only available with glibc toolchains.]
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
