PCI: mvebu: Remove duplicate of_clk_get_by_name() call

Probably due to a merge conflict resolution gone bad, the PCI clock is
got twice.  Remove the redundant call of of_clk_get_by_name().
Signed-off-by: NAndrew Lunn <andrew@lunn.ch>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: NJingoo Han <jg1.han@samsung.com>
Acked-by: NJason Cooper <jason@lakedaemon.net>

drivers/pci/host/pci-mvebu.c

@@ -981,14 +981,6 @@ static int mvebu_pcie_probe(struct platform_device *pdev)
 
 		mvebu_pcie_set_local_dev_nr(port, 1);
 
-		port->clk = of_clk_get_by_name(child, NULL);
-		if (IS_ERR(port->clk)) {
-			dev_err(&pdev->dev, "PCIe%d.%d: cannot get clock\n",
-			       port->port, port->lane);
-			iounmap(port->base);
-			continue;
-		}
-
 		port->dn = child;
 		spin_lock_init(&port->conf_lock);
 		mvebu_sw_pci_bridge_init(port);