imx6: mx6qarm2: updated board_mmc_getcd() to the new prototype

Commit 314284b1567f1ce29c19060641e7f213146f7ab8 has
changed board_mmc_getcd() function prototype, while
mx6qarm2 has still the old one.

Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Jason Liu <jason.hui@linaro.org>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
Acked-by: Jason Liu <jason.hui@linaro.org>
Tested-by: Jason Liu <jason.hui@linaro.org>
1 file changed