message: Update tup.config.default
diff: # Copy this file to tup.config and adapt it to your needs
  # make sure this fits your board
  -#CONFIG_BOARD_VERSION=v3.3
  +#CONFIG_BOARD_VERSION=v3.4-24V
  CONFIG_USB_PROTOCOL=native
  CONFIG_UART_PROTOCOL=ascii
  CONFIG_STEP_DIR=n
  