USB: host: ohci-at91: usb_hcd_at91_probe(), remove useless stack initialisation

struct usb_hcd *hcd = NULL;
...
hcd = usb_create_hcd(driver, dev, "at91");

This patch remove *hcd useless initialisation

Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ohci-at91.c

@@ -142,7 +142,7 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
 	struct at91_usbh_data *board;
 	struct ohci_hcd *ohci;
 	int retval;
-	struct usb_hcd *hcd = NULL;
+	struct usb_hcd *hcd;
 	struct ohci_at91_priv *ohci_at91;
 	struct device *dev = &pdev->dev;
 	struct resource *res;