ARM: dts: add dts files for exynos5260 SoC

The patch adds the dts files for exynos5260.

Signed-off-by: Pankaj Dubey <[email protected]>
Signed-off-by: Rahul Sharma <[email protected]>
Signed-off-by: Arun Kumar K <[email protected]>
Reviewed-by: Tomasz Figa <[email protected]>
Reviewed-by: Sachin Kamat <[email protected]>
Signed-off-by: Kukjin Kim <[email protected]>

Author: Rahul Sharma