[libata] sata_svw: fix reversed port count

According to Broadcom, two chips have their port counts flipped.  The proper
count is:

0x241 is 8 ports
0x242 is 4 ports

Reported by Yohei Honda on kernel bz 10424.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/ata/sata_svw.c

@@ -531,8 +531,8 @@ static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *en
  * */
 static const struct pci_device_id k2_sata_pci_tbl[] = {
 	{ PCI_VDEVICE(SERVERWORKS, 0x0240), chip_svw4 },
-	{ PCI_VDEVICE(SERVERWORKS, 0x0241), chip_svw4 },
-	{ PCI_VDEVICE(SERVERWORKS, 0x0242), chip_svw8 },
+	{ PCI_VDEVICE(SERVERWORKS, 0x0241), chip_svw8 },
+	{ PCI_VDEVICE(SERVERWORKS, 0x0242), chip_svw4 },
 	{ PCI_VDEVICE(SERVERWORKS, 0x024a), chip_svw4 },
 	{ PCI_VDEVICE(SERVERWORKS, 0x024b), chip_svw4 },
 	{ PCI_VDEVICE(SERVERWORKS, 0x0410), chip_svw42 },