ide: IDE_HFLAG_BOOTABLE -> IDE_HFLAG_NON_BOOTABLE

"bootable" should be the default behavior so replace
IDE_HFLAG_BOOTABLE host flag with IDE_HFLAG_NON_BOOTABLE.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index 82d0e31..a490906 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -1557,7 +1557,7 @@
 			hpt374_init(dev, dev2);
 		else {
 			if (hpt36x_init(dev, dev2))
-				d.host_flags |= IDE_HFLAG_BOOTABLE;
+				d.host_flags &= ~IDE_HFLAG_NON_BOOTABLE;
 		}
 
 		ret = ide_setup_pci_devices(dev, dev2, &d);