ARM: dts: rmobile: Add SCIF2 pinmux to E3 Ebisu

Add SCIF2 pinmux nodes to R8A77990 E3 Ebisu.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

arch/arm/dts/r8a77990-ebisu.dts

@@ -52,14 +52,30 @@
 };
 
 &pfc {
+	pinctrl-0 = <&scif_clk_pins>;
+	pinctrl-names = "default";
+
 	avb_pins: avb {
 		mux {
 			groups = "avb_link", "avb_mii";
 			function = "avb";
 		};
 	};
+
+	scif2_pins: scif2 {
+		groups = "scif2_data_a";
+		function = "scif2";
+	};
+
+	scif_clk_pins: scif_clk {
+		groups = "scif_clk_a";
+		function = "scif_clk";
+	};
 };
 
 &scif2 {
+	pinctrl-0 = <&scif2_pins>;
+	pinctrl-names = "default";
+
 	status = "okay";
 };