usb: ehci-hcd: add enum usb_init_type parameter to ehci_hcd_init.

This paramter will later be used to initialize OTG ports in
host or device mode.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
diff --git a/drivers/usb/host/ehci-ppc4xx.c b/drivers/usb/host/ehci-ppc4xx.c
index 462fcfb..9aee3ff 100644
--- a/drivers/usb/host/ehci-ppc4xx.c
+++ b/drivers/usb/host/ehci-ppc4xx.c
@@ -15,7 +15,8 @@
  * Create the appropriate control structures to manage
  * a new EHCI host controller.
  */
-int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
+int ehci_hcd_init(int index, enum usb_init_type init,
+		struct ehci_hccr **hccr, struct ehci_hcor **hcor)
 {
 	*hccr = (struct ehci_hccr *)(CONFIG_SYS_PPC4XX_USB_ADDR);
 	*hcor = (struct ehci_hcor *)((uint32_t) *hccr +