dt-bindings: Add vendor prefix for OSD Displays

OSD Displays is a panel manufacturer. It has been acquired by New Vision
Displays in 2015 but continues to operate under its own brand name.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

Documentation/devicetree/bindings/vendor-prefixes.txt

@@ -302,6 +302,7 @@ oranth	Shenzhen Oranth Technology Co., Ltd.
 ORCL	Oracle Corporation
 orisetech	Orise Technology
 ortustech	Ortus Technology Co., Ltd.
+osddisplays	OSD Displays
 ovti	OmniVision Technologies
 oxsemi	Oxford Semiconductor, Ltd.
 panasonic	Panasonic Corporation