dump specs file

SPECFILE=`dirname $(gcc -print-libgcc-file-name)`/specs &&
gcc -dumpspecs > $SPECFILE

Reference:
http://www.linuxsir.org/bbs/thread327012.html
Merge branch 'arm-2010.09' of github.com:cubieplayer/Toolchain into arm-2010.09
modify dynamic linker location, on debian rootfs the linker is created
under /lib/arm-linux-gnueabihf/ instead of /lib