mmc: revert core mmc changes

drivers/mmc/card/Kconfig

drivers/mmc/card/Makefile

drivers/mmc/card/block.c

drivers/mmc/card/mmc_test.c

drivers/mmc/card/queue.c

drivers/mmc/card/queue.h

drivers/mmc/core/bus.c

drivers/mmc/core/core.c

drivers/mmc/core/core.h

drivers/mmc/core/debugfs.c

drivers/mmc/core/host.c

drivers/mmc/core/mmc.c

drivers/mmc/core/mmc_ops.c

drivers/mmc/core/quirks.c

drivers/mmc/core/sd.c

drivers/mmc/core/sdio.c

drivers/mmc/core/sdio_cis.c

include/linux/mmc/core.h