ORIGEN : enable device tree support

Enable passing a flattened device tree to the kernel.

Signed-off-by: Angus Ainslie <angus.ainslie@linaro.org>
Acked-by: Chander Kashyap <chander.kashyap@linaro.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

include/configs/origen.h

@@ -165,4 +165,7 @@
 #define COPY_BL2_SIZE		0x80000
 #define BL2_START_OFFSET	((CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)/512)
 #define BL2_SIZE_BLOC_COUNT	(COPY_BL2_SIZE/512)
+
+/* Enable devicetree support */
+#define CONFIG_OF_LIBFDT
 #endif	/* __CONFIG_H */