PCI: qcom: Remove unused platform data

The qcom 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>

drivers/pci/host/pcie-qcom.c

@@ -569,8 +569,6 @@ static int qcom_pcie_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	platform_set_drvdata(pdev, pcie);
-
 	return 0;
 }