PCI: Reorder pcibios_sriov_disable()

Move pcibios_sriov_disable() up so it's defined before a future use.

[bhelgaas: split to separate patch for reviewability]
Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Wei Yang <weiyang@linux.vnet.ibm.com>

drivers/pci/iov.c

@@ -227,7 +227,12 @@ static void virtfn_remove(struct pci_dev *dev, int id, int reset)
 
 int __weak pcibios_sriov_enable(struct pci_dev *pdev, u16 num_vfs)
 {
-       return 0;
+	return 0;
+}
+
+int __weak pcibios_sriov_disable(struct pci_dev *pdev)
+{
+	return 0;
 }
 
 static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
@@ -344,11 +349,6 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 	return rc;
 }
 
-int __weak pcibios_sriov_disable(struct pci_dev *pdev)
-{
-       return 0;
-}
-
 static void sriov_disable(struct pci_dev *dev)
 {
 	int i;