dt-bindings: vendor-prefixes: Document Chongzhou

Chongzhou is a professional is a manufacturer of LCD panels
from Shenzhen.

Add vendor prefix for it.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221108173120.618312-1-jagan@edgeble.ai

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -246,6 +246,8 @@ patternProperties:
     description: ChipOne
   "^chipspark,.*":
     description: ChipSPARK
+  "^chongzhou,.*":
+    description: Shenzhen Chongzhou Electronic Technology Co., Ltd
   "^chrontel,.*":
     description: Chrontel, Inc.
   "^chrp,.*":