Make them CIRCUITPY_FULL_BUILD = 0 and rework the boards to have the same modules enabled (ish.) Also make ZLIB require FULL_BUILD and disable advanced `micropython` module APIs by default on all builds.
Make them CIRCUITPY_FULL_BUILD = 0 and rework the boards to have the same modules enabled (ish.) Also make ZLIB require FULL_BUILD and disable advanced `micropython` module APIs by default on all builds.