For Exynos4210 platforms, add CPU operating points and CPU regulator
supply properties for migrating from Exynos specific cpufreq driver
to using generic cpufreq driver.

Cc: Doug Anderson <dianders@chromium.org>
Cc: Andreas Faerber <afaerber@suse.de>
Cc: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Andreas Farber <afaerber@suse.de>
Cc: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: NThomas Abraham <thomas.ab@samsung.com>
[b.zolnierkie: removed exynos5250 and exynos5420 support for now]
Signed-off-by: NBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
[k.kozlowski: Rebased, moved cpu nodes to alphabetical position]
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: NKukjin Kim <kgene@kernel.org>