- only if "reset halt" or "reset init" are issued will the reset vector be set up
- If communication fails during assert between assert/deassert and during
assert, warnings are printed. The warning suggests using srst_only if the
clock locks up as that would allow the reset vector to be set up before
asserting reset.

git-svn-id: svn://svn.berlios.de/openocd/trunk@544 b42882b7-edfa-0310-969c-e2dbd0fdcd60