Merge pull request #172 from jf549/persistent-key-fixes

Crypto persistent key test fixes for TF-M
tree: 92d633c44ccd67431bb17cface1d59cb8a4fa587
  1. api-specs/
  2. api-tests/
  3. tbsa-v8m/
  4. .gitignore
  5. LICENSE.md
  6. README.md