Compatible list is used in commit 03b1781a but is not documented.
Add necessary device tree bindings to describe on-chip UFS host
controllers.
Signed-off-by: NSujit Reddy Thumma <sthumma@codeaurora.org>
Signed-off-by: NSantosh Y <santoshsy@gmail.com>
Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>