linux-phytec-fsl

MLK-13190 bcmdhd: fix compile issue if build MMC subsystem as module

BCMDHD_SDIO needs to be tristate for the correct dependency
of MMC core subsystem.
And the old driver buildin mode is static defined by DRIVER_TYPE.
Fix it to depend on CONFIG_BCMDHD_SDIO.

Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>