AP_Baro: switch pixracer to always use in-tree drivers

libraries/AP_Baro/AP_Baro.cpp

@@ -309,7 +309,7 @@ void AP_Baro::init(void)
         drivers[1] = new AP_Baro_MS5611(*this,
                                         std::move(hal.spi->get_device(HAL_BARO_MS5611_NAME)));
         _num_drivers = 2;
-    } else if (AP_BoardConfig::get_board_type() == AP_BoardConfig::PX4_BOARD_TEST_V4) {
+    } else if (AP_BoardConfig::get_board_type() == AP_BoardConfig::PX4_BOARD_PIXRACER) {
         drivers[0] = new AP_Baro_MS5611(*this,
                                         std::move(hal.spi->get_device(HAL_BARO_MS5611_SPI_INT_NAME)));
         _num_drivers = 1;