dt-bindings: vendor-prefixes: Add DFRobot.

Link: https://www.dfrobot.com/about-us

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Tóth János <gomba007@gmail.com>
Link: https://lore.kernel.org/r/20240830-rtc-sd2405al-v7-3-2f7102621b1d@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

Author: g0mb4

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -368,6 +368,8 @@ patternProperties:
     description: Devantech, Ltd.
   "^dfi,.*":
     description: DFI Inc.
+  "^dfrobot,.*":
+    description: DFRobot Corporation
   "^dh,.*":
     description: DH electronics GmbH
   "^difrnce,.*":