dt-bindings: vendor-prefixes: document Saef Technology

Document Saef Technology (https://www.saefdisplay.com/).
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230828181941.1609894-2-macroalpha82@gmail.comSigned-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -1151,6 +1151,8 @@ patternProperties:
     description: Shenzhen Roofull Technology Co, Ltd
   "^roseapplepi,.*":
     description: RoseapplePi.org
+  "^saef,.*":
+    description: Saef Technology Limited
   "^samsung,.*":
     description: Samsung Semiconductor
   "^samtec,.*":