ath9k: remove ->config_pci_powersave() redundant argument

We always call ->config_pci_powersave() with both restore and power_off
arguments equal to 0 or both equal to 1, so merge them into one
argument.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 5685cf1..65cf728 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -35,6 +35,7 @@
 	{ 0 }
 };
 
+
 /* return bus cachesize in 4B word units */
 static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 {
@@ -137,7 +138,7 @@
 	if (aspm & (PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1)) {
 		ah->aspm_enabled = true;
 		/* Initialize PCIe PM and SERDES registers. */
-		ath9k_hw_configpcipowersave(ah, 0, 0);
+		ath9k_hw_configpcipowersave(ah, false);
 	}
 }