Re-enable RE variant build for SKR Mini E3 1.2 boards.#22248

Floppy wants to merge 1 commit intoMarlinFirmware:2.0.xMarlinFirmware/Marlin:2.0.xfrom

Floppy:support-ret6-skr-mini-e3-1.2-boardsFloppy/Marlin:support-ret6-skr-mini-e3-1.2-boardsCopy head branch name to clipboard