feat[bsp][stm32][h7]: add UART4 RX DMA configuration

Add the missing UART4 RX DMA definitions for STM32H7.

UART4 RX DMA uses DMA1 Stream0 with the UART4 RX DMA request.
The configuration is enabled when BSP_UART4_RX_USING_DMA is selected.

Author: wdfk-prog

bsp/stm32/libraries/HAL_Drivers/drivers/config/h7/dma_config.h

@@ -27,6 +27,12 @@ extern "C" {
 #define UART2_RX_DMA_INSTANCE   DMA1_Stream0
 #define UART2_RX_DMA_REQUEST    DMA_REQUEST_USART2_RX
 #define UART2_RX_DMA_IRQ        DMA1_Stream0_IRQn
+#elif defined(BSP_UART4_RX_USING_DMA) && !defined(UART4_RX_DMA_INSTANCE)
+#define UART4_DMA_RX_IRQHandler DMA1_Stream0_IRQHandler
+#define UART4_RX_DMA_RCC        RCC_AHB1ENR_DMA1EN
+#define UART4_RX_DMA_INSTANCE   DMA1_Stream0
+#define UART4_RX_DMA_REQUEST    DMA_REQUEST_UART4_RX
+#define UART4_RX_DMA_IRQ        DMA1_Stream0_IRQn
 #endif
 
 /* DMA1 stream1 */
@@ -62,7 +68,6 @@ extern "C" {
 #define SPI2_TX_DMA_IRQ        DMA1_Stream4_IRQn
 #endif
 
-
 /* DMA1 stream5 */
 #if defined(BSP_SPI3_TX_USING_DMA) && !defined(SPI3_TX_DMA_INSTANCE)
 #define SPI3_DMA_TX_IRQHandler DMA1_Stream5_IRQHandler
@@ -150,7 +155,7 @@ extern "C" {
 #define QSPI_DMA_IRQ DMA2_Stream7_IRQn
 #endif
 
-/*BDMA */
+/* BDMA */
 #if defined(BSP_SPI6_TX_USING_BDMA) && !defined(SPI6_TX_BDMA_INSTANCE)
 #define SPI6_BDMA_TX_IRQHandler BDMA_Channel0_IRQHandler
 #define SPI6_TX_BDMA_INSTANCE   BDMA_Channel0
@@ -167,10 +172,8 @@ extern "C" {
 #define SPI6_RX_BDMA_IRQ        BDMA_Channel1_IRQn
 #endif
 
-
 #ifdef __cplusplus
 }
 #endif
 
 #endif /* __DMA_CONFIG_H__ */
-