[platform][imx] Support keyslot for hwcrypto service

keyslot use secure ram from i.MX chip to get
keyblobs which injected by bootloader.
App will be available to get the key from keyslot.

Change-Id: I13683afce465a2c721c5c45f3ceeb7969420a625
Signed-off-by: Wang Haoran <[email protected]>
9 files changed
tree: 707cf986492d183b7fd88bc8ae965c0f8453aca7
  1. app/
  2. platform/
  3. target/