ARM: shmobile: r8a73a4: add thermal driver support

You can get current thermal by
> cat /sys/class/thermal/thermal_zone?/temp

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi
index 4c68ba1..7db5b50 100644
--- a/arch/arm/boot/dts/r8a73a4.dtsi
+++ b/arch/arm/boot/dts/r8a73a4.dtsi
@@ -84,4 +84,11 @@
 				<0 56 4>, <0 57 4>;
 	};
 
+	thermal@e61f0000 {
+		compatible = "renesas,rcar-thermal";
+		reg = <0xe61f0000 0x14>, <0xe61f0100 0x38>,
+			 <0xe61f0200 0x38>, <0xe61f0300 0x38>;
+		interrupt-parent = <&gic>;
+		interrupts = <0 69 4>;
+	};
 };