2013-12-30 arch/arm: add support for AArch64
2013-01-20 arch: allow adding a suffix to the arch-part of a tuple
2013-01-10 arch/arm: add option to use *eabihf tuples
2011-07-17 misc: fix typos
2009-10-26 arch/arm: add THUMB interworking support
2009-10-26 arch/arm: add THUMB mode config option
2009-10-21 arch/arm: no need to check for the ABI option
2009-10-21 libc/newlib: allow using newlib with archs other than avr32
2008-10-23 Architecture API change:
2008-10-05 Separate the architecture config file and function script.