ARM: socfpga: dts: convert to preprocessor includes

Convert all socfpga DT files to the dtc preprocessor include syntax.
This allows to include header files in the devicetrees like other
SoC-types already do.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>

arch/arm/boot/dts/socfpga.dtsi

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/include/ "skeleton.dtsi"
+#include "skeleton.dtsi"
 
 / {
 	#address-cells = <1>;

arch/arm/boot/dts/socfpga_arria5.dtsi

@@ -15,7 +15,7 @@
  */
 
 /dts-v1/;
-/include/ "socfpga.dtsi"
+#include "socfpga.dtsi"
 
 / {
 	soc {

arch/arm/boot/dts/socfpga_arria5_socdk.dts

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/include/ "socfpga_arria5.dtsi"
+#include "socfpga_arria5.dtsi"
 
 / {
 	model = "Altera SOCFPGA Arria V SoC Development Kit";

arch/arm/boot/dts/socfpga_cyclone5.dtsi

@@ -16,7 +16,7 @@
  */
 
 /dts-v1/;
-/include/ "socfpga.dtsi"
+#include "socfpga.dtsi"
 
 / {
 	soc {

arch/arm/boot/dts/socfpga_cyclone5_socdk.dts

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/include/ "socfpga_cyclone5.dtsi"
+#include "socfpga_cyclone5.dtsi"
 
 / {
 	model = "Altera SOCFPGA Cyclone V SoC Development Kit";

arch/arm/boot/dts/socfpga_cyclone5_sockit.dts

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/include/ "socfpga_cyclone5.dtsi"
+#include "socfpga_cyclone5.dtsi"
 
 / {
 	model = "Terasic SoCkit";

arch/arm/boot/dts/socfpga_cyclone5_socrates.dts

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/include/ "socfpga_cyclone5.dtsi"
+#include "socfpga_cyclone5.dtsi"
 
 / {
 	model = "EBV SOCrates";

arch/arm/boot/dts/socfpga_vt.dts

@@ -16,7 +16,7 @@
  */
 
 /dts-v1/;
-/include/ "socfpga.dtsi"
+#include "socfpga.dtsi"
 
 / {
 	model = "Altera SOCFPGA VT";