Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This patch adds initial dts file for EXYNOS5440 SoC and adds the
dts file for SSDK5440 board which is a kind of reference board.
More properties will be added later.
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>