usb: host: tegra: pass correct pointer in ehci_setup()

The ehci_setup() require the pointer of usb_hcd.
Passing the correct pointer in place of ehci_hcd
pointer.

This is side effect of change:
commit 1a49e2ac96
Author: Alan Stern <stern@rowland.harvard.edu>

    EHCI: centralize controller initialization

[Although I checked for this specifically, obviously I missed some of
the calls.  In addition to the mistake in ehci-tegra.c that Laxman
fixed here, the same thing needs to be fixed in ehci-orion.c and
ehci-xls.c. -- Alan Stern]

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ehci-tegra.c

@@ -285,7 +285,7 @@ static int tegra_ehci_setup(struct usb_hcd *hcd)
 	/* switch to host mode */
 	hcd->has_tt = 1;
 
-	retval = ehci_setup(ehci);
+	retval = ehci_setup(hcd);
 	if (retval)
 		return retval;