Add debugPins module that provides functions to set and clear debug GPIOs.

Disable logging once again.

src/drivers/DebugPins.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+typedef enum {
+  DebugPin0 = 27,
+  DebugPin1 = 29,
+  DebugPin2 = 20,
+  DebugPin3 = 17,
+  DebugPin4 = 11,
+} debugpins_pins;
+
+void debugpins_init();
+void debugpins_set(debugpins_pins pin);
+void debugpins_clear(debugpins_pins pin);
+void debugpins_pulse(debugpins_pins pin);
+
+#ifdef __cplusplus
+}
+#endif
+