[media] Staging: tm6000: Delete braces from return in tm6000-cards.c

This is a patch to the tm6000-cards.c file that fixed up
a space error found by the checkpatch.pl tools.
Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/staging/tm6000/tm6000-cards.c

@@ -349,7 +349,7 @@ int tm6000_xc5000_callback(void *ptr, int component, int command, int arg)
 			       dev->gpio.tuner_reset, 0x01);
 		break;
 	}
-	return (rc);
+	return rc;
 }
 EXPORT_SYMBOL_GPL(tm6000_xc5000_callback);