wl12xx: remove 2 unused parameters in wl1271_ps_set_mode()

cleanup 2 unused parameters of wl1271_ps_set_mode

Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/ps.c b/drivers/net/wireless/wl12xx/ps.c
index 60f03c4..5074c2a 100644
--- a/drivers/net/wireless/wl12xx/ps.c
+++ b/drivers/net/wireless/wl12xx/ps.c
@@ -160,7 +160,7 @@
 }
 
 int wl1271_ps_set_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif,
-		       enum wl1271_cmd_ps_mode mode, u32 rates, bool send)
+		       enum wl1271_cmd_ps_mode mode)
 {
 	int ret;
 	u16 timeout = wl->conf.conn.dynamic_ps_timeout;