dt-bindings: Add vendor prefix for Ugoos

Ugoos Industrial Co., Ltd. are a manufacturer of ARM based TV Boxes/Dongles,
Digital Signage and Advertisement Solutions [0].

[0] (https://ugoos.com)
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -988,6 +988,8 @@ patternProperties:
     description: Ubiquiti Networks
   "^udoo,.*":
     description: Udoo
+  "^ugoos,.*":
+    description: Ugoos Industrial Co., Ltd.
   "^uniwest,.*":
     description: United Western Technologies Corp (UniWest)
   "^upisemi,.*":