ARM: shmobile: r8a7790: add i2c aliases to dtsi

Signed-off-by: Wolfram Sang <wsa@sang-engineering.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7790.dtsi

@@ -18,6 +18,13 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 
+	aliases {
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
+		i2c2 = &i2c2;
+		i2c3 = &i2c3;
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;