ARM: dts: kirkwood: fix spelling mistake

Fix a spelling mistake in arch/arm/boot/dts/kirkwood-topkick.dts.
The manufacturer's name is Univer*s*al Scientific Industrial...
Compare with footer of page here:
http://www.usish.com/english/products_topkick1281p2.php

Signed-off-by: Paul Wassi <p.wassi@gmx.at>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm/boot/dts/kirkwood-topkick.dts

@@ -4,7 +4,7 @@
 #include "kirkwood-6282.dtsi"
 
 / {
-	model = "Univeral Scientific Industrial Co. Topkick-1281P2";
+	model = "Universal Scientific Industrial Co. Topkick-1281P2";
 	compatible = "usi,topkick-1281P2", "usi,topkick", "marvell,kirkwood-88f6282", "marvell,kirkwood";
 
 	memory {