dt-bindings: add vendor prefix for Smartlabs LLC

Smartlabs LLC are a professional integrator of Interactive TV solutions
and IPTV/VOD devices [1].

[1] https://www.smartlabs.tv/en/about/Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200510124129.31575-2-christianshewitt@gmail.com

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -936,6 +936,8 @@ patternProperties:
     description: Sitronix Technology Corporation
   "^skyworks,.*":
     description: Skyworks Solutions, Inc.
+  "^smartlabs,.*":
+    description: SmartLabs LLC
   "^smsc,.*":
     description: Standard Microsystems Corporation
   "^snps,.*":