wl1271: Reduce rate used for last PSM entry attempt

This patch reduces the rate of the null-func used to enter PSM on the last
retry as precaution.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
diff --git a/drivers/net/wireless/wl12xx/wl1271_ps.h b/drivers/net/wireless/wl12xx/wl1271_ps.h
index 940276f..6ba7b03 100644
--- a/drivers/net/wireless/wl12xx/wl1271_ps.h
+++ b/drivers/net/wireless/wl12xx/wl1271_ps.h
@@ -28,7 +28,7 @@
 #include "wl1271_acx.h"
 
 int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode,
-		       bool send);
+		       u32 rates, bool send);
 void wl1271_ps_elp_sleep(struct wl1271 *wl);
 int wl1271_ps_elp_wakeup(struct wl1271 *wl, bool chip_awake);
 void wl1271_elp_work(struct work_struct *work);