arm64: dts: db820c: add support to LS-I2C0

This patch adds support to LS-I2C0 on LS expansion connector.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi

@@ -17,6 +17,7 @@ / {
 	aliases {
 		serial0 = &blsp2_uart1;
 		serial1 = &blsp2_uart2;
+		i2c0	= &blsp1_i2c2;
 	};
 
 	chosen {
@@ -39,5 +40,12 @@ serial@75b1000 {
 			pinctrl-0 = <&blsp2_uart2_4pins_default>;
 			pinctrl-1 = <&blsp2_uart2_4pins_sleep>;
 		};
+
+		i2c@07577000 {
+		/* On Low speed expansion */
+			label = "LS-I2C0";
+			status = "okay";
+		};
+
 	};
 };