pitx-imx8m: fix UART3 RTS/CTS line iomux settings

- GPIO5_IO08 and GPIO5_IO09 iomux settings for UART3 RTS/CTS lines on
  rev2 have been swapped erraneously. Fix this.
Signed-off-by: Thomas Schaefer <thomas.schaefer@kontron.com>

board/kontron/pitx-imx8m/pitx-imx8m.c

@@ -535,14 +535,14 @@ int misc_init_r(void)
 		void *fdt = map_sysmem((ulong)gd->fdt_blob, 0);
 
 		imx_iomux_v3_setup_pad(IMX8MQ_PAD_ECSPI1_MISO__GPIO5_IO8 |
-				       MUX_PAD_CTRL(UART_PAD_CTRL));
-		imx_iomux_v3_setup_pad(IMX8MQ_PAD_ECSPI1_SS0__GPIO5_IO9 |
 				       MUX_PAD_CTRL(UART_PAD_CTRL | PAD_CTL_PUE));
+		imx_iomux_v3_setup_pad(IMX8MQ_PAD_ECSPI1_SS0__GPIO5_IO9 |
+				       MUX_PAD_CTRL(UART_PAD_CTRL));
 
 		gpio_request(IMX_GPIO_NR(5, 8), "UART3_CTS#");
-		gpio_direction_output(IMX_GPIO_NR(5, 8), 0);
+		gpio_direction_input(IMX_GPIO_NR(5, 8));
 		gpio_request(IMX_GPIO_NR(5, 9), "UART3_RTS#");
-		gpio_direction_input(IMX_GPIO_NR(5, 9));
+		gpio_direction_output(IMX_GPIO_NR(5, 9), 0);
 
 		/*
 		 * Set SION for GPIO1_IO12 pad. This ensures that the pad