libata: add missing CONFIG_PM in LLDs

Add missing #ifdef CONFIG_PM conditionals around all PM related parts
in libata LLDs.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/pata_triflex.c b/drivers/ata/pata_triflex.c
index 453ab90..71418f2 100644
--- a/drivers/ata/pata_triflex.c
+++ b/drivers/ata/pata_triflex.c
@@ -193,8 +193,10 @@
 	.slave_configure	= ata_scsi_slave_config,
 	.slave_destroy		= ata_scsi_slave_destroy,
 	.bios_param		= ata_std_bios_param,
+#ifdef CONFIG_PM
 	.resume			= ata_scsi_device_resume,
 	.suspend		= ata_scsi_device_suspend,
+#endif
 };
 
 static struct ata_port_operations triflex_port_ops = {
@@ -260,8 +262,10 @@
 	.id_table	= triflex,
 	.probe 		= triflex_init_one,
 	.remove		= ata_pci_remove_one,
+#ifdef CONFIG_PM
 	.suspend	= ata_pci_device_suspend,
 	.resume		= ata_pci_device_resume,
+#endif
 };
 
 static int __init triflex_init(void)