PCI: Convert pci_dev_flags definitions to bit shifts

Convert the pci_dev_flags definitions from decimal constants to bit shifts.
We're only a few entries away from where using the decimal value becomes
cumbersome.  No functional change.
Tested-by: George Spelvin <linux@horizon.com>
Tested-by: Pat Erley <pat-lkml@erley.org>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

include/linux/pci.h

@@ -164,13 +164,13 @@ enum pci_dev_flags {
 	/* INTX_DISABLE in PCI_COMMAND register disables MSI
 	 * generation too.
 	 */
-	PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) 1,
+	PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) (1 << 0),
 	/* Device configuration is irrevocably lost if disabled into D3 */
-	PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) 2,
+	PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) (1 << 1),
 	/* Provide indication device is assigned by a Virtual Machine Manager */
-	PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) 4,
+	PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) (1 << 2),
 	/* Flag for quirk use to store if quirk-specific ACS is enabled */
-	PCI_DEV_FLAGS_ACS_ENABLED_QUIRK = (__force pci_dev_flags_t) 8,
+	PCI_DEV_FLAGS_ACS_ENABLED_QUIRK = (__force pci_dev_flags_t) (1 << 3),
 };
 
 enum pci_irq_reroute_variant {