mmc: Move host and card drivers to subdirs

Clean up the drivers/mmc directory by moving card and host drivers
into subdirectories.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
new file mode 100644
index 0000000..6685f64
--- /dev/null
+++ b/drivers/mmc/host/Makefile
@@ -0,0 +1,18 @@
+#
+# Makefile for MMC/SD host controller drivers
+#
+
+ifeq ($(CONFIG_MMC_DEBUG),y)
+	EXTRA_CFLAGS		+= -DDEBUG
+endif
+
+obj-$(CONFIG_MMC_ARMMMCI)	+= mmci.o
+obj-$(CONFIG_MMC_PXA)		+= pxamci.o
+obj-$(CONFIG_MMC_IMX)		+= imxmmc.o
+obj-$(CONFIG_MMC_SDHCI)		+= sdhci.o
+obj-$(CONFIG_MMC_WBSD)		+= wbsd.o
+obj-$(CONFIG_MMC_AU1X)		+= au1xmmc.o
+obj-$(CONFIG_MMC_OMAP)		+= omap.o
+obj-$(CONFIG_MMC_AT91)		+= at91_mci.o
+obj-$(CONFIG_MMC_TIFM_SD)	+= tifm_sd.o
+