USB: isp1760: use a specific PLX bridge instead of any bdridge

this driver can't handle (of course) any brdige class devices. So we
now are just active on one specific bridge which should be only the
isp1761 chip behind a PLX bridge.
Signed-off-by: NSebastian Andrzej Siewior <bigeasy@linutronix.de>
Tested-by: NKarl Bongers <kblists08@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/isp1760-if.c

@@ -268,12 +268,16 @@ static void isp1761_pci_shutdown(struct pci_dev *dev)
 	printk(KERN_ERR "ips1761_pci_shutdown\n");
 }
 
-static const struct pci_device_id isp1760_plx [] = { {
-	/* handle any USB 2.0 EHCI controller */
-	PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_OTHER << 8) | (0x06 << 16)), ~0),
-		.driver_data = 0,
-},
-{ /* end: all zeroes */ }
+static const struct pci_device_id isp1760_plx [] = {
+	{
+		.class          = PCI_CLASS_BRIDGE_OTHER << 8,
+		.class_mask     = ~0,
+		.vendor		= PCI_VENDOR_ID_PLX,
+		.device		= 0x5406,
+		.subvendor	= PCI_VENDOR_ID_PLX,
+		.subdevice	= 0x9054,
+	},
+	{ }
 };
 MODULE_DEVICE_TABLE(pci, isp1760_plx);