fix I2C compile warning

Paciente8159 / uCNC

µCNC - Universal CNC firmware for microcontrollers

https://github.com/Paciente8159/uCNC/wiki

GNU General Public License v3.0

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Closed Paciente8159 closed 1 week ago

Paciente8159 commented 1 week ago

Fix I2C compile warning depending if I2C uses baremetal or Arduino
If framework implementation (ever) gets completed, it will allow different I2C configuration.
Better alternative to #773