ufs: Add Support for Cadence platform UFS driver

Add Support for the platform driver for the Cadence device present on
TI's J721e device.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
diff --git a/drivers/ufs/Makefile b/drivers/ufs/Makefile
index b8df759..9262bd6 100644
--- a/drivers/ufs/Makefile
+++ b/drivers/ufs/Makefile
@@ -4,3 +4,4 @@
 #
 
 obj-$(CONFIG_UFS) += ufs.o ufs-uclass.o
+obj-$(CONFIG_CADENCE_UFS) += cdns-platform.o