binutils/binutils: don't install symlinks when in canadian

When building a canadian-cross, the binutils are not executable on
the build machine, so there is no point in installing the symlinks
in the gcc static/shared install dirs.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

 python

 import sys

 sys.path.insert(0, '@@PREFIX@@/share/gcc-@@VERSION@@/python')

 from libstdcxx.v6.printers import register_libstdcxx_printers

 register_libstdcxx_printers (None)

 end