Add SPI device tree nodes to Exynos5420 SoC
Signed-off-by: NDoug Anderson <dianders@chromium.org>
Signed-off-by: NLeela Krishna Amudala <l.krishna@samsung.com>
Reviewed-by: NAndrew Bresticker <abrestic@chromium.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>