Change the UART port from 6 to 1

include/configs/stm32f769i-discovery.h

@@ -210,13 +210,13 @@
 /*
  * USART6, TX PC.6, RX PC.7
  */
-#define CONFIG_STM32_USART_PORT	6		/* USART6 */
+#define CONFIG_STM32_USART_PORT	1		/* USART6 */
 
-#define CONFIG_STM32_USART_TX_IO_PORT	2	/* PORTC */
-#define CONFIG_STM32_USART_TX_IO_PIN	6	/* GPIO6 */
+#define CONFIG_STM32_USART_TX_IO_PORT	0	/* PORTC */
+#define CONFIG_STM32_USART_TX_IO_PIN	9	/* GPIO6 */
 
-#define CONFIG_STM32_USART_RX_IO_PORT	2	/* PORTC */
-#define CONFIG_STM32_USART_RX_IO_PIN	7	/* GPIO7 */
+#define CONFIG_STM32_USART_RX_IO_PORT	0	/* PORTC */
+#define CONFIG_STM32_USART_RX_IO_PIN	10	/* GPIO7 */
 
 #define CONFIG_BAUDRATE			115200
 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }