ARM: dts: socfpga: Add Devkit A10-SR Reset Controller

Add the Altera Arria10 System Resource Reset Controller to the MFD
Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
---
v2  change commit header to ARM: dts: socfpga.

arch/arm/boot/dts/socfpga_arria10_socdk.dtsi

@@ -121,6 +121,11 @@ a10sr_gpio: gpio-controller {
 			gpio-controller;
 			#gpio-cells = <2>;
 		};
+
+		a10sr_rst: reset-controller {
+			compatible = "altr,a10sr-reset";
+			#reset-cells = <1>;
+		};
 	};
 };