ARM: shmobile: bockw: add default PFC settings on DTS

SCIF0 PFC setting is needed as default
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7778-bockw-reference.dts

@@ -55,3 +55,13 @@ ethernet@18300000 {
 &irqpin {
 	status = "okay";
 };
+
+&pfc {
+	pinctrl-0 = <&scif0_pins>;
+	pinctrl-names = "default";
+
+	scif0_pins: scif0 {
+		renesas,groups = "scif0_data_a", "scif0_ctrl";
+		renesas,function = "scif0";
+	};
+};