drivers/ide/pci/: use __devexit_p()

This patch adds missing __devexit_p's.

Reported-by: Russell King <rmk+lkml@arm.linux.org.uk>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index b6dc723..4a1508a 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -686,7 +686,7 @@
 	.name		= "ITE821x IDE",
 	.id_table	= it821x_pci_tbl,
 	.probe		= it821x_init_one,
-	.remove		= it821x_remove,
+	.remove		= __devexit_p(it821x_remove),
 };
 
 static int __init it821x_ide_init(void)