PCI: keystone: Remove redundant platform_set_drvdata() invocation

No functional change. Remove redundant platform_set_drvdata() invocation
in ks_pcie_probe().

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>

drivers/pci/controller/dwc/pci-keystone.c

@@ -912,8 +912,6 @@ static int __init ks_pcie_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	platform_set_drvdata(pdev, ks_pcie);
-
 	ret = ks_add_pcie_port(ks_pcie, pdev);
 	if (ret < 0)
 		goto fail_clk;