usb: musb: blackfin: call usb_nop_xceiv_unregister() in musb_platform_exit()

Blackfin's musb_platform_exit() forgets to call usb_nop_xceiv_unregister().
While fixing this, also remove the unneeded blank line there.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/musb/blackfin.c

@@ -394,9 +394,9 @@ int __init musb_platform_init(struct musb *musb, void *board_data)
 
 int musb_platform_exit(struct musb *musb)
 {
-
 	gpio_free(musb->config->gpio_vrsel);
 
 	otg_put_transceiver(musb->xceiv);
+	usb_nop_xceiv_unregister();
 	return 0;
 }