Finally enable the PPC-8xx memset workaround, by Nye Liu.
http://sourceware.org/ml/crossgcc/2008-10/msg00094.html

/trunk/scripts/build/libc/glibc.sh | 9 9 0 0 +
/trunk/patches/glibc/2.7/290-powerpc-8xx-CPU15-errata.patch | 22 19 3 0 +
/trunk/samples/powerpc-860-linux-gnu/crosstool.config | 344 344 0 0 +++++++++++++++++++
/trunk/samples/powerpc-860-linux-gnu/reported.by | 3 3 0 0 +
4 files changed, 375 insertions(+), 3 deletions(-)

 # x86_64 specific options

 config ARCH_x86_64

     select ARCH_SUPPORT_ARCH

     select ARCH_SUPPORT_CPU

     select ARCH_SUPPORT_TUNE

     help

       The x86_64 architecture, as defined by:

         http://www.amd.com/us-en/Processors/DevelopWithAMD/0,,30_2252_875_7044,00.html