Add rockchip,rk3562-wdt for rk3562.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
---

Changes in v5:
- Collect review tag

Changes in v4:
- Collect ack tag

Changes in v3:
- Collect reveiw tag

Changes in v2: None

 Documentation/devicetree/bindings/watchdog/snps,dw-wdt.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/watchdog/snps,dw-wdt.yaml b/Documentation/devicetree/bindings/watchdog/snps,dw-wdt.yaml
index 1efefd741c06..ef088e0f6917 100644
--- a/Documentation/devicetree/bindings/watchdog/snps,dw-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/snps,dw-wdt.yaml
@@ -28,6 +28,7 @@ properties:
               - rockchip,rk3328-wdt
               - rockchip,rk3368-wdt
               - rockchip,rk3399-wdt
+              - rockchip,rk3562-wdt
               - rockchip,rk3568-wdt
               - rockchip,rk3576-wdt
               - rockchip,rk3588-wdt
-- 
2.25.1