drivers: use updated I2C SPI driver interface

src/drivers/differential_pressure/sdp3x/SDP3X.cpp

@@ -124,10 +124,16 @@ SDP3X::read_scale()
 	return PX4_OK;
 }
 
-void SDP3X::start()
+int	SDP3X::init()
 {
-	// make sure to wait 10ms after configuring the measurement mode
-	ScheduleDelayed(10_ms);
+	int ret = Airspeed::init();
+
+	if (ret == PX4_OK) {
+		// make sure to wait 10ms after configuring the measurement mode
+		ScheduleDelayed(10_ms);
+	}
+
+	return ret;
 }
 
 int

src/drivers/differential_pressure/sdp3x/SDP3X.hpp

@@ -69,23 +69,20 @@
 class SDP3X : public Airspeed, public I2CSPIDriver<SDP3X>
 {
 public:
-	SDP3X(I2CSPIBusOption bus_option, const int bus, int bus_frequency, int address = I2C_ADDRESS_1_SDP3X,
-	      bool keep_retrying = false) :
-		Airspeed(bus, bus_frequency, address, CONVERSION_INTERVAL),
-		I2CSPIDriver(MODULE_NAME, px4::device_bus_to_wq(get_device_id()), bus_option, bus, address),
-		_keep_retrying{keep_retrying}
+	SDP3X(const I2CSPIDriverConfig &config) :
+		Airspeed(config.bus, config.bus_frequency, config.i2c_address, CONVERSION_INTERVAL),
+		I2CSPIDriver(config),
+		_keep_retrying{config.keep_running}
 	{
 	}
 
 	virtual ~SDP3X() = default;
 
-	static I2CSPIDriverBase *instantiate(const BusCLIArguments &cli, const BusInstanceIterator &iterator,
-					     int runtime_instance);
 	static void print_usage();
 
 	void	RunImpl();
 
-	void start();
+	int init() override;
 
 private:
 	enum class State {

src/drivers/differential_pressure/sdp3x/SDP3X_main.cpp

@@ -35,27 +35,6 @@
 
 extern "C" __EXPORT int sdp3x_airspeed_main(int argc, char *argv[]);
 
-I2CSPIDriverBase *SDP3X::instantiate(const BusCLIArguments &cli, const BusInstanceIterator &iterator,
-				     int runtime_instance)
-{
-	SDP3X *instance = new SDP3X(iterator.configuredBusOption(), iterator.bus(), cli.bus_frequency, cli.i2c_address,
-				    cli.keep_running);
-
-	if (instance == nullptr) {
-		PX4_ERR("alloc failed");
-		return nullptr;
-	}
-
-	if (instance->init() != PX4_OK) {
-		delete instance;
-		return nullptr;
-	}
-
-	instance->start();
-	return instance;
-}
-
-
 void
 SDP3X::print_usage()
 {