Arduino Opta support#531

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putertubby wants to merge 4 commits into

mbed-ce:mainfrom

putertubby:arduino-opta-target

Commits on Dec 29, 2025

added arduino opta target
putertubby
committed

Commits on Jan 2, 2026

corrected ethernet initialization
putertubby
committed

Commits on Jan 7, 2026

fixes after review
putertubby
committed

Commits on Jan 9, 2026

disabled untested upload methods and added call to disable data cache
putertubby
committed