ath9k: add a patch to fix ASPM related issues

SVN-Revision: 33277

package/mac80211/patches/574-ath9k_fix_aspm_resume.patch

@@ -0,0 +1,21 @@
+--- a/drivers/net/wireless/ath/ath9k/pci.c
++++ b/drivers/net/wireless/ath/ath9k/pci.c
+@@ -331,6 +331,9 @@ static int ath_pci_suspend(struct device
+ static int ath_pci_resume(struct device *device)
+ {
+ 	struct pci_dev *pdev = to_pci_dev(device);
++	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
++	struct ath_softc *sc = hw->priv;
++	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ 	u32 val;
+ 
+ 	/*
+@@ -342,6 +345,8 @@ static int ath_pci_resume(struct device 
+ 	if ((val & 0x0000ff00) != 0)
+ 		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+ 
++	ath_pci_aspm_init(common);
++
+ 	return 0;
+ }
+