* add `partition-table.txt` which sets the partition table using `rkdeveloptool`. Due to lack of support from pmbootstrap, currently has to be done manually. Comments are added in `deviceinfo` to make that clear. * removes from `deviceinfo` `deviceinfo_sd_embed_firmware` as unused. Due to lack of support from pmbootstrap for flashing u-bout using pmbootstrap, currently has to be done manually. Comments are added in `deviceinfo` to make that clear. Part-of: https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/6711