arm64: dts: r8a7796: salvator-x: enable I2C

Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts

@@ -111,6 +111,11 @@
 		function = "scif_clk";
 	};
 
+	i2c2_pins: i2c2 {
+		groups = "i2c2_a";
+		function = "i2c2";
+	};
+
 	sdhi0_pins: sd0 {
 		groups = "sdhi0_data4", "sdhi0_ctrl";
 		function = "sdhi0";
@@ -208,6 +213,13 @@
 	status = "okay";
 };
 
+&i2c2 {
+	pinctrl-0 = <&i2c2_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
 &wdt0 {
 	timeout-sec = <60>;
 	status = "okay";