Commands: reg, profile, ocd_mem2array, ocd_array2mem, fast_load, etc only work...

Commands: reg, profile, ocd_mem2array, ocd_array2mem, fast_load, etc only work *IF* there is an actual target

git-svn-id: svn://svn.berlios.de/openocd/trunk@1404 b42882b7-edfa-0310-969c-e2dbd0fdcd60