of: add vendor prefix for UniWest

United Western Technologies Corp, known primarily as UniWest,
is a manufacturer of eddy current and ultrasonic testing equipment.
Signed-off-by: NJoshua Clayton <stillcompiling@gmail.com>
Signed-off-by: NRob Herring <robh@kernel.org>

Documentation/devicetree/bindings/vendor-prefixes.txt

@@ -269,6 +269,7 @@ tronsmart	Tronsmart
 truly	Truly Semiconductors Limited
 tyan	Tyan Computer Corporation
 upisemi	uPI Semiconductor Corp.
+uniwest	United Western Technologies Corp (UniWest)
 urt	United Radiant Technology Corporation
 usi	Universal Scientific Industrial Co., Ltd.
 v3	V3 Semiconductor