arm64: dts: hi3660: enable watchdog

This patch is to add watchdog binding for Hi3660 on Hikey960 board.

Cc: Guodong Xu <guodong.xu@linaro.org>
Cc: Zhong Kaihua <zhongkaihua@huawei.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

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

@@ -962,5 +962,21 @@ &sdio_clk_cfg_func
 				     &sdio_cfg_func>;
 			status = "disabled";
 		};
+
+		watchdog0: watchdog@e8a06000 {
+			compatible = "arm,sp805-wdt", "arm,primecell";
+			reg = <0x0 0xe8a06000 0x0 0x1000>;
+			interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&crg_ctrl HI3660_OSC32K>;
+			clock-names = "apb_pclk";
+		};
+
+		watchdog1: watchdog@e8a07000 {
+			compatible = "arm,sp805-wdt", "arm,primecell";
+			reg = <0x0 0xe8a07000 0x0 0x1000>;
+			interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&crg_ctrl HI3660_OSC32K>;
+			clock-names = "apb_pclk";
+		};
 	};
 };