stm32f4xx_eedata: define & implement eedata api

also migrate aes key lookup to it

Change-Id: I3574acedce3747d8d848b48e9cbc9c01e1a4e304
10 files changed
tree: 445799fb0da9d8f6a3aadb3e6b83ef476fcb5f92
  1. firmware/
  2. util/
  3. .gitignore
  4. CodingStandard.txt