gcc: add support for the PowerPC EABI

Signed-off-by: Mircea Gherzan <mgherzan@gmail.com>
[yann.morin.1998@anciens.enib.fr: rm trailing space]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

#!/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 $?