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CP2105, CP2108 and CP2102N have vendor requests that can be used to retrieve the firmware version. Having this information available is essential when trying to work around buggy firmware as a recent CP2102N regression showed. Determine and log the firmware version also for CP2105 and CP2108 during type detection at probe. Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Johan Hovold <johan@kernel.org>