mmc: snps_sdhci: Add sdhci driver support for TH1520 SoC

Add support for DesignWare SDHCI host controller on Alibaba TH1520 SoC

Signed-off-by: Maksim Kiselev <bigunclemax@gmail.com>
Tested-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 868f309..90e76f9 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -71,6 +71,7 @@
 obj-$(CONFIG_MMC_SDHCI_PIC32)		+= pic32_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_ROCKCHIP)	+= rockchip_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_S5P)		+= s5p_sdhci.o
+obj-$(CONFIG_MMC_SDHCI_SNPS)		+= snps_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_STI)		+= sti_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_TANGIER)		+= tangier_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_TEGRA)		+= tegra_mmc.o