target.c

- ST STM32x flash support added
- cleaned up armv7m and cortex-m3 support, removed luminary specific code
- cortex-m3 16bit read/write added (required for STM32x flash programming)

git-svn-id: svn://svn.berlios.de/openocd/trunk@177 b42882b7-edfa-0310-969c-e2dbd0fdcd60