mmc: ca_dw_mmc: add DesignWare based DM support for CAxxxx SoCs

Initial DesignWare based DM support for Cortina Access CAxxxx SoCs.

Signed-off-by: Arthur Li <arthur.li@cortina-access.com>
Signed-off-by: Alex Nemirovsky <alex.nemirovsky@cortina-access.com>
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 9c1f8e5..615b724 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -20,6 +20,7 @@
 obj-$(CONFIG_ARM_PL180_MMCI) += arm_pl180_mmci.o
 obj-$(CONFIG_MMC_DAVINCI)		+= davinci_mmc.o
 obj-$(CONFIG_MMC_DW)			+= dw_mmc.o
+obj-$(CONFIG_MMC_DW_CORTINA)		+= ca_dw_mmc.o
 obj-$(CONFIG_MMC_DW_EXYNOS)		+= exynos_dw_mmc.o
 obj-$(CONFIG_MMC_DW_K3)			+= hi6220_dw_mmc.o
 obj-$(CONFIG_MMC_DW_ROCKCHIP)		+= rockchip_dw_mmc.o