arm64: dts: renesas: hihope-rzg2-ex: Enable CAN interfaces

This patch enables both CAN0 and CAN1, both exposed via
connectors found on the expansion board.
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi

@@ -31,6 +31,18 @@ phy0: ethernet-phy@0 {
 	};
 };
 
+&can0 {
+	pinctrl-0 = <&can0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&can1 {
+	pinctrl-0 = <&can1_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &pciec0 {
 	status = "okay";
 };
@@ -60,4 +72,14 @@ pins_mii_tx {
 			drive-strength = <12>;
 		};
 	};
+
+	can0_pins: can0 {
+		groups = "can0_data_a";
+		function = "can0";
+	};
+
+	can1_pins: can1 {
+		groups = "can1_data";
+		function = "can1";
+	};
 };