usb: phy: Add OTG FSM configuration option

This patch removes dependency on Freescale USB UTG Transceiver
driver and makes OTG FSM implementation selectable.

Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/phy/Kconfig

@@ -6,6 +6,14 @@ menu "USB Physical Layer drivers"
 config USB_PHY
 	def_bool n
 
+config USB_OTG_FSM
+	bool "USB 2.0 OTG FSM implementation"
+	select USB_OTG
+	select USB_PHY
+	help
+	  Implements OTG Final State Machine as specified in On-The-Go
+	  and Embedded Host Supplement to the USB Revision 2.0 Specification.
+
 #
 # USB Transceiver Drivers
 #
@@ -20,7 +28,7 @@ config AB8500_USB
 
 config FSL_USB2_OTG
 	bool "Freescale USB OTG Transceiver Driver"
-	depends on USB_EHCI_FSL && USB_FSL_USB2 && PM_RUNTIME
+	depends on USB_EHCI_FSL && USB_FSL_USB2 && USB_OTG_FSM && PM_RUNTIME
 	select USB_OTG
 	select USB_PHY
 	help