ARM: dts: Add initial device tree support for EXYNOS5420

Add initial device tree nodes for EXYNOS5420 SoC and SMDK5420 board.

Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 56ffdde..1357510 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -57,6 +57,7 @@
 	exynos5440-sd5v1.dtb \
 	exynos5250-smdk5250.dtb \
 	exynos5250-snow.dtb \
+	exynos5420-smdk5420.dtb \
 	exynos5440-ssdk5440.dtb
 dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb \
 	ecx-2000.dtb