qtnfmac_pcie: Use dev_get_drvdata

Instead of using to_pci_dev + pci_get_drvdata,
use dev_get_drvdata to make code simpler.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c

@@ -430,7 +430,7 @@ static int qtnf_pcie_suspend(struct device *dev)
 	struct qtnf_pcie_bus_priv *priv;
 	struct qtnf_bus *bus;
 
-	bus = pci_get_drvdata(to_pci_dev(dev));
+	bus = dev_get_drvdata(dev);
 	if (!bus)
 		return -EFAULT;
 
@@ -443,7 +443,7 @@ static int qtnf_pcie_resume(struct device *dev)
 	struct qtnf_pcie_bus_priv *priv;
 	struct qtnf_bus *bus;
 
-	bus = pci_get_drvdata(to_pci_dev(dev));
+	bus = dev_get_drvdata(dev);
 	if (!bus)
 		return -EFAULT;