dt-bindings: add vendor prefix for edimax

Add vendor prefix for EDIMAX Technology Co., Ltd (https://www.edimax.com/)
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -335,6 +335,8 @@ patternProperties:
     description: EBV Elektronik
   "^eckelmann,.*":
     description: Eckelmann AG
+  "^edimax,.*":
+    description: EDIMAX Technology Co., Ltd
   "^edt,.*":
     description: Emerging Display Technologies
   "^eeti,.*":