cross gcc/binutils for mips-linux

As every hackmeeting starts with building a cross toolchain - and every year the gcc people changed the way it works. Now some documentation:

../gcc-4.1-4.1.2/src/configure --prefix=/usr/local --target=mips-linux --disable-multilib --disable-nls --disable-shared --disable-threads --enable-languages=c

make all-gcc
make install-gcc