* restructured cpu folder to distinguish between arm and lpc common files
* initial not yet compiling(!) support for mc1322x
* assuming size_t to be always unsigned
* moved profiling code to lpc specific part and added includes to cpu Makefile
* added header and preliminary hwtimer code for mc1322x
* renamed start to startup
* clean up stuff (fix gcc warnings and added clean target for doc)
* split up syscalls in arm and lpc specific code
* changed to struct based register access for mc1322x
* added startup code for mc1322x
* mc1322x specifics syscalls
* minor changes
* changed httimer_arch_init() to init all 4 timers and added implementation for hwtimer_arch_set
added implementation of htimer_arch_set_absolute()
added implementations for hwtimer_arch_unset() and hwtimer_arch_now()
implemented hwtimer_arch_(enable|disable)_interrupt() and added ITC definitions
* added testfile
* added proper "struct TMR_struct*" in hwtimer_cpu.c
* removed dublicate definition of the UART structure in mc1322x.h
embedded mc1322x radio API into transceiver.{c,h}
added fixes for compilation for mc1322x
Revert "* added testfile"

This reverts commit 0432a3eaf21ed8ba04694c25fe278fde06c63f4d.