dt-bindings: Add vendor prefix for Videostrong

Videostrong Technology Co., Ltd., A manufacturer of Android Players & STB
(Android with DVB Hybrid box & DVB-T2/S2/C/ISDB-T/DTMB-TH/ATSC) as well as
HD media players.
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -1012,6 +1012,8 @@ patternProperties:
     description: Variscite Ltd.
   "^via,.*":
     description: VIA Technologies, Inc.
+  "^videostrong,.*":
+    description: Videostrong Technology Co., Ltd.
   "^virtio,.*":
     description: Virtual I/O Device Specification, developed by the OASIS consortium
   "^vishay,.*":