usb: dwc2: fix debugfs FIFO count
The number of FIFOs may be lower than the number of endpoints. Use the correct total when printing FIFO details in debugfs. Acked-by: NMinas Harutyunyan <hminas@synopsys.com> Signed-off-by: NJohn Keeping <john@metanate.com> Signed-off-by: NFelipe Balbi <balbi@kernel.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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