* 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
* added lilygo t-display (esp32) board this board is the predecessor to the already included lilygo-t-display-s3 added USB defines for t-display * implementation of @P-R-O-C-H-Y comments * added build properties to fix failed compilation