Changes
* gcc/binutils/gdb support ARM Cortex-M0
==== In progress ====
[http://dangerousprototypes.com/docs/Bus_Blaster Bus Blaster] can speak SWD with KT firmware; use UrJTAG git as root to [http://dangerousprototypes.com/docs/Bus_Blaster_v2_manufacturing_resources flash] (interface=1). TODO: test SWD connection to target.
==== What needs work ====
