ath5k: Stop PCU on reset

 * Stop PCU receive logic (DRU) durring reset
 We need to be sure pcu is not active when trying to stop rx dma
 right now this is done on ath5k_reset (base.c) but later we are
 going to clean it up.

 Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>

Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index 0833677..91a2b21 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -823,6 +823,11 @@
 	mode = 0;
 
 	/*
+	 * Stop PCU
+	 */
+	ath5k_hw_stop_rx_pcu(ah);
+
+	/*
 	 * Stop DMA
 	 *
 	 * Note: If DMA didn't stop continue