ARM: kirkwood: use dts pre-processor for mv88f6281gtw-ge

Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts

@@ -14,8 +14,8 @@
 
 /dts-v1/;
 
-/include/ "kirkwood.dtsi"
-/include/ "kirkwood-6281.dtsi"
+#include "kirkwood.dtsi"
+#include "kirkwood-6281.dtsi"
 
 / {
 	model = "Marvell 88F6281 GTW GE Board";