linux-phytec-fsl

ARM: dts: Add missing frequency property to exynos5250

Added missing clock frequency property to CPU node to avoid
boot time warnings.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>