ehci-pci: Add PCI EHCI controller

This patch adds support for the PI7C9X442SL PCIe EHCI host controller
from Pericom.

Tested at P4080DS eval board from Freescale.

Signed-off-by: Ralf Trübenbach <ralf.truebenbach@men.de>
Cc: Remy Bohmer <linux@bohmer.net>
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index cff3438..2b68f7b 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -28,7 +28,8 @@
 #ifdef CONFIG_PCI_EHCI_DEVICE
 static struct pci_device_id ehci_pci_ids[] = {
 	/* Please add supported PCI EHCI controller ids here */
-	{0x1033, 0x00E0},
+	{0x1033, 0x00E0},	/* NEC */
+	{0x12D8, 0x400F},	/* Pericom */
 	{0, 0}
 };
 #endif