usb: Kconfig: move ulpi bus support out of host

The ULPI bus is not only for host, but for device mode too, so move
it out from host's Kconfig.
Signed-off-by: NPeter Chen <peter.chen@nxp.com>
Acked-by: NHeikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/Kconfig

@@ -160,4 +160,24 @@ config USB_LED_TRIG
 	  LEDs and you want to use them as activity indicators for USB host or
 	  gadget.
 
+config USB_ULPI_BUS
+	tristate "USB ULPI PHY interface support"
+	help
+	  UTMI+ Low Pin Interface (ULPI) is specification for a commonly used
+	  USB 2.0 PHY interface. The ULPI specification defines a standard set
+	  of registers that can be used to detect the vendor and product which
+	  allows ULPI to be handled as a bus. This module is the driver for that
+	  bus.
+
+	  The ULPI interfaces (the buses) are registered by the drivers for USB
+	  controllers which support ULPI register access and have ULPI PHY
+	  attached to them. The ULPI PHY drivers themselves are normal PHY
+	  drivers.
+
+	  ULPI PHYs provide often functions such as ADP sensing/probing (OTG
+	  protocol) and USB charger detection.
+
+	  To compile this driver as a module, choose M here: the module will
+	  be called ulpi.
+
 endif # USB_SUPPORT

drivers/usb/core/Kconfig

@@ -82,23 +82,3 @@ config USB_OTG_FSM
 	help
 	  Implements OTG Finite State Machine as specified in On-The-Go
 	  and Embedded Host Supplement to the USB Revision 2.0 Specification.
-
-config USB_ULPI_BUS
-	tristate "USB ULPI PHY interface support"
-	help
-	  UTMI+ Low Pin Interface (ULPI) is specification for a commonly used
-	  USB 2.0 PHY interface. The ULPI specification defines a standard set
-	  of registers that can be used to detect the vendor and product which
-	  allows ULPI to be handled as a bus. This module is the driver for that
-	  bus.
-
-	  The ULPI interfaces (the buses) are registered by the drivers for USB
-	  controllers which support ULPI register access and have ULPI PHY
-	  attached to them. The ULPI PHY drivers themselves are normal PHY
-	  drivers.
-
-	  ULPI PHYs provide often functions such as ADP sensing/probing (OTG
-	  protocol) and USB charger detection.
-
-	  To compile this driver as a module, choose M here: the module will
-	  be called ulpi.