Remove PR define, replace with TRACE_DEBUG

The define PR was introduced to switch quickly between TRACE levels
for specific debug print messages.

Now, it all became debug output, since it is not needed in normal
operation.
3 files changed
tree: 12c9d79376079bbbeefdd1fef8d4f24d330f039e
  1. firmware/
  2. usb_application/
  3. .gitignore
  4. .gitmodules
  5. clk_calc.py
  6. notes