ARM: mvebu: Add thermal support to Armada 370 device tree

This patch adds support for the thermal controller available in
all Armada 370 boards. This controller has two 4-byte registers:
one to read the thermal sensor, the other for sensor initialization.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/boot/dts/armada-370.dtsi

@@ -153,5 +153,11 @@
 			clocks = <&coreclk 0>;
 		};
 
+		thermal@d0018300 {
+			compatible = "marvell,armada370-thermal";
+			reg = <0xd0018300 0x4
+			       0xd0018304 0x4>;
+			status = "okay";
+		};
 	};
 };