ARM: dts: rskrza1: Add SCIF2 pin group

Add pin configuration for SCIF2 serial console interface.
Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r7s72100-rskrza1.dts

@@ -10,6 +10,7 @@
 
 /dts-v1/;
 #include "r7s72100.dtsi"
+#include <dt-bindings/pinctrl/r7s72100-pinctrl.h>
 
 / {
 	model = "RSKRZA1";
@@ -47,6 +48,15 @@ &rtc_x1_clk {
 	clock-frequency = <32768>;
 };
 
+&pinctrl {
+
+	/* Serial Console */
+	scif2_pins: serial2 {
+		pinmux = <RZA1_PINMUX(3, 0, 6)>,	/* TxD2 */
+			 <RZA1_PINMUX(3, 2, 4)>;	/* RxD2 */
+	};
+};
+
 &mtu2 {
 	status = "okay";
 };
@@ -78,5 +88,7 @@ &rtc {
 };
 
 &scif2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&scif2_pins>;
 	status = "okay";
 };