ARM: dts: OMAP2+: Use #include for all device trees

Replace /include/ by #include for OMAP2+ DT, in order to use the
C pre-processor, making use of #define features possible.

Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Benoit Cousson <benoit.cousson@linaro.org>

arch/arm/boot/dts/omap4-panda-common.dtsi

@@ -5,7 +5,7 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-/include/ "elpida_ecb240abacn.dtsi"
+#include "elpida_ecb240abacn.dtsi"
 
 / {
 	model = "TI OMAP4 PandaBoard";
@@ -184,7 +184,7 @@
 	};
 };
 
-/include/ "twl6030.dtsi"
+#include "twl6030.dtsi"
 
 &i2c2 {
 	pinctrl-names = "default";