build-hal: add RENDERBUG_HAL define, fix logging output

src/inputs/Buttons.cpp

@@ -31,7 +31,7 @@ Buttons::read()
                 //Log.info("Not emitting release from previous chord");
                 m_wasChord[i] = false;
             } else {
-                return InputEvent{InputEvent::UserInput, buttonID};
+                return InputEvent{InputEvent::ButtonPress, buttonID};
             }
         }
     }