dt-bindings: vendor-prefixes: add Diodes

Diodes Incorporated is a manufacturer of application specific standard
products within the discrete, logic, analog, and mixed-signal semiconductor
markets.

https://www.diodes.com/

Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -328,6 +328,8 @@ patternProperties:
     description: Digi International Inc.
   "^digilent,.*":
     description: Diglent, Inc.
+  "^diodes,.*":
+    description: Diodes, Inc.
   "^dioo,.*":
     description: Dioo Microcircuit Co., Ltd
   "^dlc,.*":