samples: add new m68k-unknown-uclinux-uclibc sample

Signed-off-by: "Esben Haabendal" <esben@haabendal.dk>
[yann.morin.1998@free.fr: upgrade to using gcc-4.7.2]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <87r4pod1hm.fsf@arh128.prevas.dk>
PatchWork-Id: 187182

#!/bin/sh

call_to=@@DEFAULT_LD@@

case "${CTNG_LD_IS}" in

    bfd)    call_to=bfd;;

    gold)   call_to=gold;;

esac

exec "${0}.${call_to}" "$@"

exit $?