PCI: aardvark: Remove unused platform data

The aardvark driver never uses the platform drvdata pointer, so don't
bother setting it.  No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

drivers/pci/host/pci-aardvark.c

@@ -926,7 +926,6 @@ static int advk_pcie_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	pcie->pdev = pdev;
-	platform_set_drvdata(pdev, pcie);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	pcie->base = devm_ioremap_resource(dev, res);