ARM: kirkwood: Use the preprocessor on device tree files

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
diff --git a/arch/arm/boot/dts/kirkwood-ns2mini.dts b/arch/arm/boot/dts/kirkwood-ns2mini.dts
index 329e530..f30e05a 100644
--- a/arch/arm/boot/dts/kirkwood-ns2mini.dts
+++ b/arch/arm/boot/dts/kirkwood-ns2mini.dts
@@ -1,6 +1,6 @@
 /dts-v1/;
 
-/include/ "kirkwood-ns2-common.dtsi"
+#include "kirkwood-ns2-common.dtsi"
 
 / {
 	/* This machine is embedded in the first LaCie CloudBox product. */