ARM: dts: exynos: Update maximum frequency for SD card to 200MHz on Odroid XU3/XU4/HC1

Set the SD max-frequency to 200MHz for optimal performance on Odroid
XU3/XU4/HC1 family of boards.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>