musb: set MUSB speed based on CONFIG

Do not config MUSB to highspeed mode if CONFIG_USB_GADGET_DUALSPEED
is not set, in which case Ether gadget only operates in fullspeed.

Reviewed-by: Tom Rini <trini@ti.com>
Signed-off-by: Bin Liu <b-liu@ti.com>

drivers/usb/musb-new/musb_core.c

@@ -943,7 +943,9 @@ void musb_start(struct musb *musb)
 
 	/* put into basic highspeed mode and start session */
 	musb_writeb(regs, MUSB_POWER, MUSB_POWER_ISOUPDATE
+#ifdef CONFIG_USB_GADGET_DUALSPEED
 						| MUSB_POWER_HSENAB
+#endif
 						/* ENSUSPEND wedges tusb */
 						/* | MUSB_POWER_ENSUSPEND */
 						);

drivers/usb/musb-new/musb_uboot.c

@@ -174,7 +174,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 {
 	int ret;
 
-	if (!driver || driver->speed < USB_SPEED_HIGH || !driver->bind ||
+	if (!driver || driver->speed < USB_SPEED_FULL || !driver->bind ||
 	    !driver->setup) {
 		printf("bad parameter.\n");
 		return -EINVAL;