Added arm_adi_v5.c/h, to replace cortex_swjdp.c/h. Better conformance to ARM...

Added arm_adi_v5.c/h, to replace cortex_swjdp.c/h. Better conformance to ARM Debug Interface rev 5 documentation and remoed code specific to the Cortex-M3 targets.

git-svn-id: svn://svn.berlios.de/openocd/trunk@1535 b42882b7-edfa-0310-969c-e2dbd0fdcd60