glibc does not officially support ARC700 so this adds the missing
pieces. I looked at uClibc-ng and a patch by Synopsis for glibc.
ran make toolchain/glibc/refresh to clean up fuzz.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Signed-off-by: maurerr <mariusd84@gmail.com>
