Execute "install-arm-tools <path-to-installation-root>"
for example
 ./install-arm-tools /usr/local/armtools

The binaries will be installed in <path-to-installation-root>/bin
i.e. in the example, "/usr/local/armtools/bin".  The build
will take quite some time and will consume about 1GiB disk.
The installation needs about 100MeB disk.
