Further handle the lib64 -> lib symlinks.
It at least helps powerpc64 to build, and should innocuous to other archs.

/trunk/scripts/crosstool-NG.sh.in | 8 6 2 0 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

# x86 specific options

config ARCH_x86

    select ARCH_SUPPORT_ARCH

    select ARCH_SUPPORT_CPU

    select ARCH_SUPPORT_TUNE

    help

      The x86 architecture, as defined by:

        http://www.intel.com/