skge: fix warning when CONFIG_PM is defined but not CONFIG_PM_SLEEP

drivers/net/ethernet/marvell/skge.c:4046: warning: ‘skge_suspend’ defined but not used
drivers/net/ethernet/marvell/skge.c:4071: warning: ‘skge_resume’ defined but not used

Signed-off-by: Daniel Halperin <dhalperi@cs.washington.edu>
Cc: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index b3f6368..18a87a5 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -4042,7 +4042,7 @@
 	pci_set_drvdata(pdev, NULL);
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int skge_suspend(struct device *dev)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
@@ -4104,7 +4104,7 @@
 #else
 
 #define SKGE_PM_OPS NULL
-#endif
+#endif /* CONFIG_PM_SLEEP */
 
 static void skge_shutdown(struct pci_dev *pdev)
 {