ARM: shmobile: r8a7791: add i2c2 bus to koelsch dt

Signed-off-by: NWolfram Sang <wsa@sang-engineering.com>
Acked-by: NMagnus Damm <damm@opensource.se>
[horms+renesas@verge.net.au: resolved conflict]
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7791-koelsch.dts

@@ -108,10 +108,29 @@
 	clock-frequency = <20000000>;
 };
 
+&i2c2 {
+	pinctrl-0 = <&i2c2_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+	clock-frequency = <400000>;
+
+	eeprom@50 {
+		compatible = "renesas,24c02";
+		reg = <0x50>;
+		pagesize = <16>;
+	};
+};
+
 &pfc {
 	pinctrl-0 = <&du_pins &scif0_pins &scif1_pins>;
 	pinctrl-names = "default";
 
+	i2c2_pins: i2c {
+		renesas,groups = "i2c2";
+		renesas,function = "i2c2";
+	};
+
 	du_pins: du {
 		renesas,groups = "du_rgb666", "du_sync", "du_clk_out_0";
 		renesas,function = "du";