arm64: dts: Register Hi3660's thermal sensor

Add binding for tsensor on H3660, this tsensor is used for
SoC thermal control, it supports alarm interrupt.
Signed-off-by: Kevin Wangtao <kevin.wangtao@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

arch/arm64/boot/dts/hisilicon/hi3660.dtsi

@@ -978,5 +978,12 @@ watchdog1: watchdog@e8a07000 {
 			clocks = <&crg_ctrl HI3660_OSC32K>;
 			clock-names = "apb_pclk";
 		};
+
+		tsensor: tsensor@fff30000 {
+			compatible = "hisilicon,hi3660-tsensor";
+			reg = <0x0 0xfff30000 0x0 0x1000>;
+			interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>;
+			#thermal-sensor-cells = <1>;
+		};
 	};
 };