dt-bindings: phy: Add PHY_TYPE_UFS definition

Add definition for UFS phy type.
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

include/dt-bindings/phy/phy.h

@@ -15,5 +15,6 @@
 #define PHY_TYPE_PCIE		2
 #define PHY_TYPE_USB2		3
 #define PHY_TYPE_USB3		4
+#define PHY_TYPE_UFS		5
 
 #endif /* _DT_BINDINGS_PHY */