livoxProto1: detectSmoIp should be based on target dev IP

We previously used the smoIp provided by the user, but this
function is intended to enable us to figure out the correct
IP to send to the target device in the Handshake message.

commonLibs/livoxProto1/device.h

@@ -83,8 +83,8 @@ private:
 		const std::string& broadcastCode);
 
 	// IP detection methods
-	std::optional<std::string> detectSmoIp();
-	std::string getSmoIp();
+	std::optional<std::string> detectSmoIp(const std::string& deviceIP);
+	std::string getSmoIp(const std::string& deviceIP);
 	uint32_t getSubnetMaskFor(uint8_t nbits);
 
 	// Heartbeat mechanism