The "swapaccount=" option has been deprecated in 6.1. Disable it in almost all boot scripts except "boot-sun50iw9.cmd" since that one is used in sun50iw9 legacy kernel, which is version 4.9.
Link to kernel commit:
b25806dcd3
create new boot script free of G12 stuff, using default u-boot load addresses.
La Frite boots from USB as well as eMMC, add ability to get root device via PARTUUID