usb: r8a66597-udc: implement the set_wedge method

fix the problem that MSC Tests of USBCV detects some warnings.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/usb/gadget/r8a66597-udc.h b/drivers/usb/gadget/r8a66597-udc.h
index e653575..03087e7 100644
--- a/drivers/usb/gadget/r8a66597-udc.h
+++ b/drivers/usb/gadget/r8a66597-udc.h
@@ -73,6 +73,7 @@
 
 	struct list_head	queue;
 	unsigned		busy:1;
+	unsigned		wedge:1;
 	unsigned		internal_ccpl:1;	/* use only control */
 
 	/* this member can able to after r8a66597_enable */