Added support in Mavlink Ethernet channel parameters

Mavlink Ethernet channel settings such as udp port, remote port and broadcast mode now can be changed dynamically via parameters.

Tools/serial/serial_params.c.jinja

@@ -58,6 +58,10 @@ PARAM_DEFINE_INT32(SER_{{ serial_device.tag }}_BAUD, {{ serial_device.default_ba
 {%- for serial_device in serial_devices %}
  * @value {{ serial_device.index }} {{ serial_device.label }}
 {%- endfor %}
+{%- if command.ethernet_config != "none" %}
+{%- for config in ethernet_configuration %}
+ * @value {{ config.index }} {{ config.label }}
+{%- endfor %}{% endif %}
  * @group {{ command.param_group }}
  * @reboot_required true
  */
@@ -68,3 +72,5 @@ PARAM_DEFINE_INT32({{ command.port_param_name }}, {{ command.default_port }});
 
 {{ additional_definitions }}
 
+{{ additional_ethernet_definitions }}
+