please add 83.3kbaud

[sueppchen]

great work - the only one which did nearly run out of the box...
please add the 83333 baud rate to your lib(needed for eberspaecher parking heater):

values for 8MHz are:

constexpr Config Config_8MHz_83k3bps { 0x01, 0xBE, 0x07 };

thanks a lot