IDE: make ide_drive_remove() call driver's ->cleanup().

This was accidentally dropped before, but re-added now to completely mimic
behavior of the reboot notifier IDE used to have. 

drivers/ide/ide.c

@@ -3428,8 +3428,13 @@ static int ide_drive_remove(struct device * dev)
 	ide_drive_t * drive = container_of(dev,ide_drive_t,gendev);
 	ide_driver_t * driver = drive->driver;
 
-	if (driver && driver->standby)
+	if (driver) {
+		if (driver->standby)
 			driver->standby(drive);
+		if (driver->cleanup)
+			driver->cleanup(drive);
+	}
+	
 	return 0;
 }