CTS / RTS pins were swapped in this API (espressif#6816)

espressif/esp-idf / components/driver/include/driver/uart.h defines the API:
esp_err_t uart_set_pin(uart_port_t uart_num, int tx_io_num, int rx_io_num, int **rts_io_num**, int **cts_io_num**);
uartSetPins uses that api but alls it with swapped CTS/RTS pins as its API uses a different pin ordering: 
uart_set_pin(uart->num, txPin, rxPin, **ctsPin**, **rtsPin**); 

This fixes the wrong order in the function uartSetPins

Author: mazgch

cores/esp32/esp32-hal-uart.c

@@ -115,7 +115,7 @@ void uartSetPins(uart_t* uart, int8_t rxPin, int8_t txPin, int8_t ctsPin, int8_t
     }
     UART_MUTEX_LOCK();
     // IDF uart_set_pin() will issue necessary Error Message and take care of all GPIO Number validation.
-    uart_set_pin(uart->num, txPin, rxPin, ctsPin, rtsPin); 
+    uart_set_pin(uart->num, txPin, rxPin, rtsPin, ctsPin); 
     UART_MUTEX_UNLOCK();  
 }