pata_sc1200: Fix crash on boot

The SC1200 needs a NULL terminator or it may cause a crash on boot.

Bug #14227

Also correct a bogus comment as the driver had serializing added so can run
dual port.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/ata/pata_sc1200.c b/drivers/ata/pata_sc1200.c
index f49814d..3bbed83 100644
--- a/drivers/ata/pata_sc1200.c
+++ b/drivers/ata/pata_sc1200.c
@@ -235,8 +235,7 @@
 		.udma_mask = ATA_UDMA2,
 		.port_ops = &sc1200_port_ops
 	};
-	/* Can't enable port 2 yet, see top comments */
-	const struct ata_port_info *ppi[] = { &info, };
+	const struct ata_port_info *ppi[] = { &info, NULL };
 
 	return ata_pci_sff_init_one(dev, ppi, &sc1200_sht, NULL);
 }