linux-wandboard

mmc: block: change stop errors to info

Stop command errors are not fatal to the transfer since we make sure
that the card returns to the transfer state and check the card status.
Change an unnecessary error to an info.

Signed-off-by: Johan Rudholm <johanru@axis.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>