Fix typo in chosen parameter in vf610-twr.dts

Fix typo "choosen" instead of "chosen" in vf610-twr.dts.
Fixes boot process and terminal output for Vybrid series.

Signed-off-by: Alexander Merkle <alexander.merkle@lauterbach.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

arch/arm/dts/vf610-twr.dts

@@ -11,7 +11,7 @@
 	model = "VF610 Tower Board";
 	compatible = "fsl,vf610-twr", "fsl,vf610";
 
-	choosen {
+	chosen {
 		stdout-path = &uart1;
 	};