Always disable blocking in the console output

On USB connection, Serial.print may block the main loop if the USB is connected but isn't read, breaking the firmware logic.

flix/console.ino

@@ -73,6 +73,9 @@ HWCDC HWCDCSerial;
 
 void setupConsole() {
 	Serial.begin(115200);
+#if SOC_USB_SERIAL_JTAG_SUPPORTED
+	Serial.setTxTimeoutMs(0); // never block on usb write
+#endif
 }
 
 void print(const char* format, ...) {