e1000: Janitor: Use #defined values for literals

Minor janitorial patch: use #defines for literal values.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 593bfbe..d5e8fd5 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -4912,8 +4912,8 @@
 	}
 	pci_set_master(pdev);
 
-	pci_enable_wake(pdev, 3, 0);
-	pci_enable_wake(pdev, 4, 0); /* 4 == D3 cold */
+	pci_enable_wake(pdev, PCI_D3hot, 0);
+	pci_enable_wake(pdev, PCI_D3cold, 0);
 
 	/* Perform card reset only on one instance of the card */
 	if (PCI_FUNC (pdev->devfn) != 0)