boards: arm: xmc47_relax_kit: Fix D15 arudiono r3 connector mapping

D15 is connected to P0.13 not P3.13.
Also put gpios in numberical order.

Signed-off-by: Andriy Gelman <[email protected]>

Author: talih0

boards/arm/xmc47_relax_kit/arduino_r3_connector.dtsi

@@ -30,26 +30,30 @@
 			   <18 0 &gpio3 7 0>,	/* D12 */
 			   <19 0 &gpio3 9 0>,	/* D13 */
 			   <20 0 &gpio3 15 0>,	/* D14 */
-			   <21 0 &gpio3 13 0>;	/* D15 */
+			   <21 0 &gpio0 13 0>;	/* D15 */
 	};
 };
 
-&gpio14 {
+&gpio0 {
 	status = "okay";
 };
 
-&gpio2 {
+&gpio1 {
 	status = "okay";
 };
 
-&gpio1 {
+&gpio2 {
 	status = "okay";
 };
 
 &gpio3 {
 	status = "okay";
 };
 
+&gpio14 {
+	status = "okay";
+};
+
 arduino_spi: &usic2ch0 {};
 arduino_serial: &usic1ch0 {};
 /* The drivers for i2c not yet implemented. Add placeholder in the */