mmc: cv1800b: Add sdhci driver support for cv1800b SoC

Add sdhci driver for cv1800b SoC.

Signed-off-by: Kongyang Liu <seashell11234455@gmail.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index e9cf1fc..3374321 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -60,6 +60,7 @@
 obj-$(CONFIG_MMC_SDHCI_BCM2835)		+= bcm2835_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_BCMSTB)		+= bcmstb_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_CADENCE)		+= sdhci-cadence.o
+obj-$(CONFIG_MMC_SDHCI_CV1800B)		+= cv1800b_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_AM654)		+= am654_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_IPROC)		+= iproc_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_KONA)		+= kona_sdhci.o