ARM: dove: use preprocessor on device tree files

This coverts Dove DT board files to preprocessor includes instead
of dtc includes.
Signed-off-by: NSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: NJason Cooper <jason@lakedaemon.net>

arch/arm/boot/dts/dove-cm-a510.dts

 /dts-v1/;
 
-/include/ "dove.dtsi"
+#include "dove.dtsi"
 
 / {
 	model = "Compulab CM-A510";

arch/arm/boot/dts/dove-cubox.dts

 /dts-v1/;
 
-/include/ "dove.dtsi"
+#include "dove.dtsi"
 
 / {
 	model = "SolidRun CuBox";

arch/arm/boot/dts/dove-d2plug.dts

 /dts-v1/;
 
-/include/ "dove.dtsi"
+#include "dove.dtsi"
 
 / {
 	model = "Globalscale D2Plug";

arch/arm/boot/dts/dove-dove-db.dts

 /dts-v1/;
 
-/include/ "dove.dtsi"
+#include "dove.dtsi"
 
 / {
 	model = "Marvell DB-MV88AP510-BP Development Board";