PCI/ATS: Make pci_restore_pri_state(), pci_restore_pasid_state() private

These interfaces:

  void pci_restore_pri_state(struct pci_dev *pdev);
  void pci_restore_pasid_state(struct pci_dev *pdev);

are only used in drivers/pci and do not need to be seen by the rest of the
kernel.  Most them to drivers/pci/pci.h so they're private to the PCI
subsystem.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Joerg Roedel <jroedel@suse.de>
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index ae84d28b..e6b46d2 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -458,14 +458,18 @@ static inline void pci_restore_ats_state(struct pci_dev *dev) { }
 
 #ifdef CONFIG_PCI_PRI
 void pci_pri_init(struct pci_dev *dev);
+void pci_restore_pri_state(struct pci_dev *pdev);
 #else
 static inline void pci_pri_init(struct pci_dev *dev) { }
+static inline void pci_restore_pri_state(struct pci_dev *pdev) { }
 #endif
 
 #ifdef CONFIG_PCI_PASID
 void pci_pasid_init(struct pci_dev *dev);
+void pci_restore_pasid_state(struct pci_dev *pdev);
 #else
 static inline void pci_pasid_init(struct pci_dev *dev) { }
+static inline void pci_restore_pasid_state(struct pci_dev *pdev) { }
 #endif
 
 #ifdef CONFIG_PCI_IOV