ARM: dts: socfpga: add the LTC2977 power monitor on Arria10 devkit

Add the I2C LTC 2977 power monitor that is on the Arria10 devkit.
Signed-off-by: NDinh Nguyen <dinguyen@kernel.org>

arch/arm/boot/dts/socfpga_arria10_socdk.dtsi

@@ -145,6 +145,11 @@
 		compatible = "dallas,ds1339";
 		reg = <0x68>;
 	};
+
+	ltc@5c {
+		compatible = "ltc2977";
+		reg = <0x5c>;
+	};
 };
 
 &uart1 {