usb: misc: Fix swapped properties in usb3503 DT parsing

The intn and connect GPIO properties are swapped in the code which will
cause failures at runtime if these are connected, fix the code.

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Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>