rt2x00: Fix MCU_SLEEP arguments

Legacy driver uses 0xff as the second argument for the MCU_SLEEP
command. It is still unknown what the values actually mean, but
this will at least keep the command in-sync with the original
driver.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 6dc61b7..1db0c3b 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -442,7 +442,7 @@
 	 * if the device is booting and wasn't asleep it will return
 	 * failure when attempting to wakeup.
 	 */
-	rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2);
+	rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
 
 	if (state == STATE_AWAKE) {
 		rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0);