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/Kconfig b/drivers/ufs/Kconfig
index b098106..c272074 100644
--- a/drivers/ufs/Kconfig
+++ b/drivers/ufs/Kconfig
@@ -6,4 +6,12 @@
 	help
 	  This selects support for Universal Flash Subsystem (UFS).
 	  Say Y here if you want UFS Support.
+
+config CADENCE_UFS
+	bool "Cadence platform driver for UFS"
+	depends on UFS
+        help
+	  This selects the platform driver for the Cadence UFS host
+	  controller present on present TI's J721e devices.
+
 endmenu