usb: ehci-sh: Add missing ehci helpers.

The ehci-sh driver was missing tie-ins for endpoint_reset and
clear_tt_buffer_complete, add them in.
Reported-by: NAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

drivers/usb/host/ehci-sh.c

@@ -72,6 +72,7 @@ static const struct hc_driver ehci_sh_hc_driver = {
 	.urb_enqueue			= ehci_urb_enqueue,
 	.urb_dequeue			= ehci_urb_dequeue,
 	.endpoint_disable		= ehci_endpoint_disable,
+	.endpoint_reset			= ehci_endpoint_reset,
 
 	/*
 	 * scheduling support
@@ -91,6 +92,7 @@ static const struct hc_driver ehci_sh_hc_driver = {
 
 	.relinquish_port		= ehci_relinquish_port,
 	.port_handed_over		= ehci_port_handed_over,
+	.clear_tt_buffer_complete	= ehci_clear_tt_buffer_complete,
 };
 
 static int ehci_hcd_sh_probe(struct platform_device *pdev)