ARM: SAMSUNG: remove all uses of clk_type member in sdhci platform data

The sdhci driver is modified to be independent of clk_type member in the sdhci
platform data. Hence, all usage of clk_type in platform code is removed.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
[kgene.kim@samsung.com: re-worked on top of v3.4-rc2]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>