usb: add enum usb_init_type parameter to usb_lowlevel_init

This parameter will later be used to verify OTG ports.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
diff --git a/common/usb.c b/common/usb.c
index 414f9c2..60daa10 100644
--- a/common/usb.c
+++ b/common/usb.c
@@ -75,7 +75,7 @@
 	for (i = 0; i < CONFIG_USB_MAX_CONTROLLER_COUNT; i++) {
 		/* init low_level USB */
 		printf("USB%d:   ", i);
-		if (usb_lowlevel_init(i, &ctrl)) {
+		if (usb_lowlevel_init(i, USB_INIT_HOST, &ctrl)) {
 			puts("lowlevel init failed\n");
 			continue;
 		}