Changed timer stop_in_debug to modify dbg.cr instead of overwriting it #130
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Quick fix to prevent configuring pwm_input clobbering the dbg.cr register.
The issue I was having was ITM was breaking after the call to stop_in_debug in timer.rs because part of the ITM config lives in dbg.cr and the call to write was resetting everything to 0.
I had a quick scan for other similar issues in timer.rs but didn't see any.