ARM: dts: bcm28155-ap: Enable all the i2c busses

Enable all available i2c busses.
Signed-off-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Christian Daudt <csd@broadcom.com>
Reviewed-by: Matt Porter <matt.porter@linaro.org>
Reviewed-by: Markus Mayer <markus.mayer@linaro.org>
Signed-off-by: Christian Daudt <bcm@fixthebug.org>

arch/arm/boot/dts/bcm28155-ap.dts

@@ -27,6 +27,26 @@ uart@3e000000 {
 		status = "okay";
 	};
 
+	i2c@3e016000 {
+		status="okay";
+		clock-frequency = <400000>;
+	};
+
+	i2c@3e017000 {
+		status="okay";
+		clock-frequency = <400000>;
+	};
+
+	i2c@3e018000 {
+		status="okay";
+		clock-frequency = <400000>;
+	};
+
+	i2c@3500d000 {
+		status="okay";
+		clock-frequency = <400000>;
+	};
+
 	sdio1: sdio@3f180000 {
 		max-frequency = <48000000>;
 		status = "okay";