usb: cdns3: ep0: delete the duplicate code

The value '0' is duplicated with USB_DIR_OUT

Signed-off-by: Peter Chen <peter.chen@nxp.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Link: https://lore.kernel.org/r/20200623031001.8469-2-peter.chen@nxp.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>