* variants + S3 GPIO48 * fixes unphone8.build.flash_type * fixes unphone8.build.flash_type * heltec board name issue step 1 * heltec board name issue step 2 * fixes defines and new boards * final review
* M5CoreS3 followup to #8161 #8274 #8276 * Add files via upload * Fix partition names
* Add M5CoreS3 boards.txt and pins definition * Fix some pins definition