Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>

These warnings are for architectures that do not
support non-aligned word access.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>

committed so as to ease cooperation and to let it be improved
over time.

So far it supports:
- halt/resume
- registers inspection
- memory inspection/modification

I'm still getting up to speed with OpenOCD internals and AVR32 so code is a little
bit messy and I'd appreciate any feedback.