Merge pull request #6803 from chuanga/wise-1510-uart-config

Wise 1510 uart config

Author: adbridge

targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L443xC/TARGET_MTB_ADV_WISE_1510/PinNames.h

@@ -186,8 +186,16 @@ typedef enum {
   LED2        = GPIO2,
   LED3        = GPIO4,
 
+#ifdef MBED_CONF_TARGET_STDIO_UART_TX
+  STDIO_UART_TX = MBED_CONF_TARGET_STDIO_UART_TX,
+#else
   STDIO_UART_TX = UART3_TX,
+#endif
+#ifdef MBED_CONF_TARGET_STDIO_UART_RX
+  STDIO_UART_RX = MBED_CONF_TARGET_STDIO_UART_RX,
+#else
   STDIO_UART_RX = UART3_RX,
+#endif
 
   SERIAL_TX   = STDIO_UART_TX,
   SERIAL_RX   = STDIO_UART_RX,