mmc: dw-mmc: support DesignWare MMC Controller

Support the DesginWare MMC Controller.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Rajeshawari Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index ac3cb0b..a1dd730 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -46,6 +46,7 @@
 COBJS-$(CONFIG_S5P_SDHCI) += s5p_sdhci.o
 COBJS-$(CONFIG_SH_MMCIF) += sh_mmcif.o
 COBJS-$(CONFIG_TEGRA_MMC) += tegra_mmc.o
+COBJS-$(CONFIG_DWMMC) += dw_mmc.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)