Building on Windows showed the --enable-plugin was being set yet
it was disabled. The code was just checking if the macro was defined
and not actually testing the value. The value is now being tested
and it needs to be true to succeed.
Add arch build files. This allows archs to have different versions
and patches for specific tools.
Break the RTEMS config directory up into separate directories to
make long term maintenance easier. This required a change to config.py
to handle the config files being in subdirs of the config directory.
The defaults have been updated to include the install SB root so
packages built before a package are available.
Add makeinfo to the required tools. GDB (and others) need it to
build without error.
