mmc: actions: add MMC driver for Actions OWL S700/S900

This commit adds support for MMC controllers found on Actions OWL
SoC platform(S700/S900).

Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 7e819d2..17ebc04 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -39,6 +39,7 @@
 obj-$(CONFIG_MMC_MXC)			+= mxcmmc.o
 obj-$(CONFIG_MMC_MXS)			+= mxsmmc.o
 obj-$(CONFIG_MMC_OCTEONTX)		+= octeontx_hsmmc.o
+obj-$(CONFIG_MMC_OWL)			+= owl_mmc.o
 obj-$(CONFIG_MMC_PCI)			+= pci_mmc.o
 obj-$(CONFIG_PXA_MMC_GENERIC) += pxa_mmc_gen.o
 obj-$(CONFIG_$(SPL_TPL_)SUPPORT_EMMC_RPMB) += rpmb.o