mmc: dw_mmc: exynos: Fix spelling mistake "candiates" -> candidates

There are several spelling mistakes in variable names and in a dev_warn
message. Fix these.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20211027130812.426373-1-colin.i.king@gmail.com


Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>