usb: r8a66597-hcd: fix cannot detect low/full speed device
This controller can control "Transaction Translators", but the hcd->has_tt is not set. Since the commit d199c96d ("USB: prevent buggy from crashing the USB stack") has checked it, the driver could not work the low/full speed device. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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