chipidea: introduce specific Kconfig options for glue drivers

This patch introduces USB_CHIPIDEA_PCI and USB_CHIPIDEA_OF Kconfig options, one
per each specific glue driver. This is needed to provide different dependencies
they have.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig
index 77b47d8..8b0edb9 100644
--- a/drivers/usb/chipidea/Kconfig
+++ b/drivers/usb/chipidea/Kconfig
@@ -10,6 +10,16 @@
 
 if USB_CHIPIDEA
 
+config USB_CHIPIDEA_OF
+	tristate
+	depends on OF
+	default USB_CHIPIDEA
+
+config USB_CHIPIDEA_PCI
+	tristate
+	depends on PCI
+	default USB_CHIPIDEA
+
 config USB_CHIPIDEA_UDC
 	bool "ChipIdea device controller"
 	depends on USB_GADGET