dt-bindings: Add vendor prefix for Shenzhen Zkmagic Technology Co., Ltd.

Add vendor prefix for Shenzhen Zkmagic Technology Co., Ltd.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200808160618.15445-2-jbx6244@gmail.com


Signed-off-by: Heiko Stuebner <heiko@sntech.de>