usb: renesas_usbhs: add hcd->has_tt for low/full speed

Low/Full speed device is not recognized without this patch

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index bade761..7955de5 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -1267,6 +1267,7 @@
 		dev_err(dev, "Failed to create hcd\n");
 		return -ENOMEM;
 	}
+	hcd->has_tt = 1; /* for low/full speed */
 
 	pipe_info = kzalloc(sizeof(*pipe_info) * pipe_size, GFP_KERNEL);
 	if (!pipe_info) {