WiFi and Eth Dhcp hostname support #1218

Job	Run time
compile-examples (arduino:mbed:nano33ble, nano33ble)	7m 34s
compile-examples (arduino:mbed:envie_m7, envie_m7)	16m 17s
compile-examples (arduino:mbed:envie_m7:target_core=cm4, envie_m7_core_cm4)	4m 42s
compile-examples (arduino:mbed:nanorp2040connect, nanorp2040connect)	13m 26s
compile-examples (arduino:mbed:nicla_sense, nicla_sense)	13m 43s
compile-examples (arduino:mbed:nicla_vision, nicla_vision)	10m 20s
compile-examples (arduino:mbed:opta, opta)	9m 58s
compile-examples (arduino:mbed:giga, giga)	23m 19s
compile-examples (arduino:mbed:nicla_voice, nicla_voice)	5m 36s
compile-examples (arduino:mbed:edge_control, edge_control)	5m 43s
	1h 50m 38s

Provide feedback