PCI: Make PCI_PM_* delay times private

These delay time definitions:

  #define PCI_PM_D2_DELAY         200
  #define PCI_PM_D3_WAIT          10
  #define PCI_PM_D3COLD_WAIT      100
  #define PCI_PM_BUS_WAIT         50

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

Link: https://lore.kernel.org/r/20190724233848.73327-2-skunberg.kelsey@gmail.comSigned-off-by: Kelsey Skunberg <skunberg.kelsey@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/pci.h

@@ -39,6 +39,11 @@ int pci_probe_reset_function(struct pci_dev *dev);
 int pci_bridge_secondary_bus_reset(struct pci_dev *dev);
 int pci_bus_error_reset(struct pci_dev *dev);
 
+#define PCI_PM_D2_DELAY         200
+#define PCI_PM_D3_WAIT          10
+#define PCI_PM_D3COLD_WAIT      100
+#define PCI_PM_BUS_WAIT         50
+
 /**
  * struct pci_platform_pm_ops - Firmware PM callbacks
  *

include/linux/pci.h

@@ -145,11 +145,6 @@ static inline const char *pci_power_name(pci_power_t state)
 	return pci_power_names[1 + (__force int) state];
 }
 
-#define PCI_PM_D2_DELAY		200
-#define PCI_PM_D3_WAIT		10
-#define PCI_PM_D3COLD_WAIT	100
-#define PCI_PM_BUS_WAIT		50
-
 /**
  * typedef pci_channel_state_t
  *