arm64: dts: db820c: add support to I2C on HS

This patch adds support to i2c bus on High speed 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

@@ -19,6 +19,7 @@ aliases {
 		serial1 = &blsp2_uart2;
 		i2c0	= &blsp1_i2c2;
 		i2c1	= &blsp2_i2c1;
+		i2c2	= &blsp2_i2c0;
 	};
 
 	chosen {
@@ -53,5 +54,11 @@ i2c@075b6000 {
 			label = "LS-I2C1";
 			status = "okay";
 		};
+
+		i2c@075b5000 {
+		/* On High speed expansion */
+			label = "HS-I2C2";
+			status = "okay";
+		};
 	};
 };