dt-bindings: Add vendor prefix for Vamrs Ltd.

Vamrs Ltd. is a hardware solutions provider based in China.

Website: http://vamrs.com/Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Documentation/devicetree/bindings/vendor-prefixes.txt

@@ -392,6 +392,7 @@ upisemi	uPI Semiconductor Corp.
 urt	United Radiant Technology Corporation
 usi	Universal Scientific Industrial Co., Ltd.
 v3	V3 Semiconductor
+vamrs	Vamrs Ltd.
 variscite	Variscite Ltd.
 via	VIA Technologies, Inc.
 virtio	Virtual I/O Device Specification, developed by the OASIS consortium