of: add vendor prefix for Honeywell

Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/vendor-prefixes.txt

@@ -41,6 +41,7 @@ gmt	Global Mixed-mode Technology, Inc.
 gumstix	Gumstix, Inc.
 haoyu	Haoyu Microelectronic Co. Ltd.
 hisilicon	Hisilicon Limited.
+honeywell	Honeywell
 hp	Hewlett Packard
 ibm	International Business Machines (IBM)
 idt	Integrated Device Technologies, Inc.