USB: Fix initconst in ehci driver

Fix some of the initconst markings in the ehci driver(s).

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index a573d5f..595d210 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -375,7 +375,7 @@
 
 static struct hc_driver __read_mostly ehci_pci_hc_driver;
 
-static const struct ehci_driver_overrides pci_overrides __initdata = {
+static const struct ehci_driver_overrides pci_overrides __initconst = {
 	.reset =		ehci_pci_setup,
 };