regulator: act8865: add device tree binding doc

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index ce95ed1..5354d1a 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -3,6 +3,7 @@
 This isn't an exhaustive list, but you should add new prefixes to it before
 using them to avoid name-space collisions.
 
+active-semi	Active-Semi International Inc
 ad	Avionic Design GmbH
 adi	Analog Devices, Inc.
 aeroflexgaisler	Aeroflex Gaisler AB