Merge spl-2021-03-05

Change-Id: Id2abb47b02a21a082252aeb1871bf717a016ee44
tree: 32928d5b8ead54b33ed2765938cc69de1cc4e42f
  1. build/
  2. docs/
  3. emu_test/
  4. libraries/
  5. scripts/
  6. tests/
  7. utils/
  8. PREUPLOAD.cfg