'' Unknown spi_bus 'spi2' '' whilst enabling ADXL345 in the printer configuration.

After adding :

''[mcu rpi]
serial: /tmp/klipper_host_mcu

[adxl345]
cs_pin: rpi:None

[resonance_tester]
accel_chip: adxl345
probe_points:
100, 100, 20 # an example''


to the printer.cfg, the mentioned error pops up.
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