USB OTG Langwell: Update OTG Kconfig and driver version.

This patch updated Kconfig for langwell otg transceiver driver.
Add ipc driver(INTEL_SCU_IPC) as a dependency. Driver version is
updated too.

Signed-off-by: Hao Wu <hao.wu@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig
index 299dfd2..5ce0752 100644
--- a/drivers/usb/otg/Kconfig
+++ b/drivers/usb/otg/Kconfig
@@ -69,7 +69,7 @@
 
 config USB_LANGWELL_OTG
 	tristate "Intel Langwell USB OTG dual-role support"
-	depends on USB && X86_MRST
+	depends on USB && PCI && INTEL_SCU_IPC
 	select USB_OTG
 	select USB_OTG_UTILS
 	help