Wrong part number for I2C port expander in AYAB interface BOM

[dl1com]

In https://github.com/AllYarnsAreBeautiful/ayab-hardware/blob/main/ayab-interface/assembly/ayab_rs_oshw.csv#L17 the Manufacturer Part Number and order numbers are stating a wrong version of the chip (PCF8574A).

The correct one is PCF8574 (without trailing A).
The parts have different I2C adresses and are therefore not interchangeable, so it is crucial to fix this in order to avoid DoA interfaces.