[libata] trim trailing whitespace

Most of these contributed by that mysterious figger known as A.C.

Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/ata/pata_cs5520.c

@@ -305,7 +305,7 @@ static void __devexit cs5520_remove_one(struct pci_dev *pdev)
  *	Do any reconfiguration work needed by a resume from RAM. We need
  *	to restore DMA mode support on BIOSen which disabled it
  */
- 
+
 static int cs5520_reinit_one(struct pci_dev *pdev)
 {
 	u8 pcicfg;