ARM: at91: dt: use #include for all device trees

to prepare the switch to the macro.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
diff --git a/arch/arm/boot/dts/at91sam9g20ek_2mmc.dts b/arch/arm/boot/dts/at91sam9g20ek_2mmc.dts
index 66467b1..942aa10 100644
--- a/arch/arm/boot/dts/at91sam9g20ek_2mmc.dts
+++ b/arch/arm/boot/dts/at91sam9g20ek_2mmc.dts
@@ -6,7 +6,7 @@
  * Licensed under GPLv2.
  */
 /dts-v1/;
-/include/ "at91sam9g20ek_common.dtsi"
+#include "at91sam9g20ek_common.dtsi"
 
 / {
 	model = "Atmel at91sam9g20ek 2 mmc";