The toolchain file is hndtools-arm-linux-2.6.36-uclibc-4.5.3.tar.bz2
Download URL: https://sourceforge.net/projects/nvg599.arris/files/
This tarball also contains the Broadcom code drop bcm963xx_4.06L.03_consumer_release.tar.gz, which
was created using Broadcom's source code redistribution process, bcm47xx.tar.bz2 which is
the 5GHz code, hndtools-arm-linux-2.6.36-uclibc-4.5.3.tar.bz2, which is the toolchain for the
5Ghz code, and axis.tar.bz2 which is the code that runs on the main SOC.