Device: Implement Ethernet PHY MDIO Communication

The following fixups were added during the squash/merge:

Fix formatting in EthPhyMessage and EthPhyRegPacket
Device: Use std::make_shared when creating the EthPHYControl filter
Network: Create NetID String for EthPHYControl
EthPhyRegPacket: Constants in PascalCase

include/icsneo/communication/message/message.h

@@ -26,6 +26,7 @@ public:
 		DeviceVersion = 0x8004,
 		Main51 = 0x8005,
 		FlexRayControl = 0x8006,
+		EthernetPhyRegister = 0x8007,
 	};
 
 	Message(Type t) : type(t) {}