USB: Drop unnecessary continue in a few drivers

Continue is not needed at the bottom of a loop.

The semantic patch implementing this change is as follows:

@@
@@

for (...;...;...) {
   ...
   if (...) {
     ...
-   continue;
   }
}
Signed-off-by: NJulia Lawall <julia@diku.dk>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/isp116x-hcd.c

@@ -918,7 +918,6 @@ static int isp116x_hub_status_data(struct usb_hcd *hcd, char *buf)
 			      | RH_PS_OCIC | RH_PS_PRSC)) {
 			changed = 1;
 			buf[0] |= 1 << (i + 1);
-			continue;
 		}
 	}
 	spin_unlock_irqrestore(&isp116x->lock, flags);

drivers/usb/image/mdc800.c

@@ -478,8 +478,6 @@ static int mdc800_usb_probe (struct usb_interface *intf,
 				{
 					irq_interval=intf_desc->endpoint [j].desc.bInterval;
 				}
-
-				continue;
 			}
 		}
 		if (mdc800->endpoint[i] == -1)