PCI: layerscape: Remove unnecessary class code fixup

Now that the Class Code fixup in dw_pcie_setup_rc() works, remove the fixup
from the Layerscape driver.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Roy Zang <tie-fei.zang@freescale.com>

drivers/pci/dwc/pci-layerscape.c

@@ -73,14 +73,6 @@ static void ls_pcie_clear_multifunction(struct ls_pcie *pcie)
 	iowrite8(PCI_HEADER_TYPE_BRIDGE, pci->dbi_base + PCI_HEADER_TYPE);
 }
 
-/* Fix class value */
-static void ls_pcie_fix_class(struct ls_pcie *pcie)
-{
-	struct dw_pcie *pci = pcie->pci;
-
-	iowrite16(PCI_CLASS_BRIDGE_PCI, pci->dbi_base + PCI_CLASS_DEVICE);
-}
-
 /* Drop MSG TLP except for Vendor MSG */
 static void ls_pcie_drop_msg_tlp(struct ls_pcie *pcie)
 {
@@ -145,7 +137,6 @@ static int ls_pcie_host_init(struct pcie_port *pp)
 	ls_pcie_disable_outbound_atus(pcie);
 
 	dw_pcie_dbi_ro_wr_en(pci);
-	ls_pcie_fix_class(pcie);
 	ls_pcie_clear_multifunction(pcie);
 	dw_pcie_dbi_ro_wr_dis(pci);