of: Add vendor prefix for Innolux Corporation

According to Wikipedia, Innolux started out in 2003 as InnoLux Display
Corporation and merged with Chi Mei Optoelectronics in 2006. It went by
the name of Chimei Innolux Corporation for a while and changed its name
back to Innolux Corporation in late 2012.
Signed-off-by: NThierry Reding <treding@nvidia.com>
Signed-off-by: NRob Herring <robh@kernel.org>

Documentation/devicetree/bindings/vendor-prefixes.txt

@@ -67,6 +67,7 @@ ibm	International Business Machines (IBM)
 idt	Integrated Device Technologies, Inc.
 iom	Iomega Corporation
 img	Imagination Technologies Ltd.
+innolux	Innolux Corporation
 intel	Intel Corporation
 intercontrol	Inter Control Group
 isee	ISEE 2007 S.L.