Board support: UVify Core. As Core is not using SPI4 as external, SPI4 external interface related code removed.

Also, PMW3901 flow sensor is added on SPI2 bus.

boards/uvify/core/nuttx-config/nsh/defconfig

@@ -189,7 +189,7 @@ CONFIG_STM32_SPI1=y
 CONFIG_STM32_SPI1_DMA=y
 CONFIG_STM32_SPI1_DMA_BUFFER=1024
 CONFIG_STM32_SPI2=y
-CONFIG_STM32_SPI4=y
+CONFIG_STM32_SPI4=n
 CONFIG_STM32_SPI_DMA=y
 CONFIG_STM32_SPI_DMATHRESHOLD=8
 CONFIG_STM32_TIM10=y

boards/uvify/core/src/spi.cpp

@@ -46,14 +46,13 @@ constexpr px4_spi_bus_t px4_spi_buses[SPI_BUS_MAX_BUS_ITEMS] = {
 		initSPIDevice(SPIDEV_FLASH(0), SPI::CS{GPIO::PortD, GPIO::Pin10}),
 		initSPIDevice(DRV_BARO_DEVTYPE_MS5611, SPI::CS{GPIO::PortD, GPIO::Pin7}),
 		initSPIDevice(DRV_BARO_DEVTYPE_MS5607, SPI::CS{GPIO::PortD, GPIO::Pin7}),
-	}),
-	initSPIBusExternal(SPI::Bus::SPI4, {
-		SPI::CS{GPIO::PortA, GPIO::Pin8},
-	}),
+		initSPIDevice(DRV_FLOW_DEVTYPE_PMW3901, SPI::CS{GPIO::PortB, GPIO::Pin12})
+	})
 };
 
 static constexpr bool unused = validateSPIConfig(px4_spi_buses);
 
+#if defined(BOARD_HAS_BUS_MANIFEST)
 __EXPORT bool board_has_bus(enum board_bus_types type, uint32_t bus)
 {
 	bool rv = true;
@@ -73,4 +72,4 @@ __EXPORT bool board_has_bus(enum board_bus_types type, uint32_t bus)
 
 	return rv;
 }
-
+#endif