usb: gadget: pxa25x: make it compile with debug again

|drivers/usb/gadget/pxa25x_udc.h: In function 'dump_state':
|drivers/usb/gadget/pxa25x_udc.h:228:20: error: invalid type argument of '->' (have 'struct usb_ep')

Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/pxa25x_udc.h

@@ -225,7 +225,7 @@ dump_state(struct pxa25x_udc *dev)
 		dev->stats.read.bytes, dev->stats.read.ops);
 
 	for (i = 1; i < PXA_UDC_NUM_ENDPOINTS; i++) {
-		if (dev->ep [i].desc == NULL)
+		if (dev->ep[i].ep.desc == NULL)
 			continue;
 		DMSG ("udccs%d = %02x\n", i, *dev->ep->reg_udccs);
 	}