usb: host: u132-hcd: remove unneeded variable frame

This patch fixes below issue reported by coccicheck

drivers/usb/host/u132-hcd.c:2557:6-11: Unneeded variable: "frame".
Return "0" on line 2560

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/u132-hcd.c

@@ -2554,10 +2554,9 @@ static int u132_get_frame(struct usb_hcd *hcd)
 		dev_err(&u132->platform_dev->dev, "device is being removed\n");
 		return -ESHUTDOWN;
 	} else {
-		int frame = 0;
 		dev_err(&u132->platform_dev->dev, "TODO: u132_get_frame\n");
 		mdelay(100);
-		return frame;
+		return 0;
 	}
 }