cc/gcc: do not print multilib for canadian-cross

Previous import from patchwork missed one hunk (in cset #d8feb93b3e49)
Apply it now.

Signed-off-by: "David Holsgrove" <david.holsgrove@xilinx.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Patchwork-Id: 189053

 #!/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 $?