Merge branch '2022-04-14-assorted-updates'

- Apple M1 Ultra support, TI power domain fix, atsha204a big endian
  support, LED cleanups and support for default-state, increase malloc
  pool on sandbox, ubifs bugfix, further serial cleanup / semihost
  support, fix a few cases around enabling/disabling FS support in SPL,
  clean up duplication of table_compute_checksum()