PCI: artpec6: Drop __init from artpec6_add_pcie_port()

artpec6_add_pcie_port() is called from artpec6_pcie_probe(), which is not
marked __init.  It is wrong to call an __init function from a non-__init
one, so remove __init from artpec6_add_pcie_port().

[bhelgaas: changelog]
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/host/pcie-artpec6.c

@@ -191,7 +191,7 @@ static irqreturn_t artpec6_pcie_msi_handler(int irq, void *arg)
 	return dw_handle_msi_irq(pp);
 }
 
-static int __init artpec6_add_pcie_port(struct pcie_port *pp,
+static int artpec6_add_pcie_port(struct pcie_port *pp,
 				 struct platform_device *pdev)
 {
 	int ret;