usb: cdns3: make signed 1 bit bitfields unsigned

The signed 1 bit bitfields should be unsigned, so make them unsigned.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/20200325125041.94769-1-colin.king@canonical.com


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