Edwin Olsen: improves breakpoint handling on cortex-m3 parts. Specifically,...

Edwin Olsen: improves breakpoint handling on cortex-m3 parts. Specifically, this patch allows expressions to be evaluated in GDB that contain function calls.

git-svn-id: svn://svn.berlios.de/openocd/trunk@589 b42882b7-edfa-0310-969c-e2dbd0fdcd60