dt-bindings: vendor-prefixes: Add techwell vendor prefix

Add prefix for Techwell, Inc.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Mehdi Djait <mehdi.djait@bootlin.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -1383,6 +1383,8 @@ patternProperties:
     description: Technologic Systems
   "^techstar,.*":
     description: Shenzhen Techstar Electronics Co., Ltd.
+  "^techwell,.*":
+    description: Techwell, Inc.
   "^teejet,.*":
     description: TeeJet
   "^teltonika,.*":