This provides a better error message when building with CMake and
forgetting ZEPHYR_BASE or not registering Zephyr in the CMake package
registry. See parent commit for more details (split from parent for
better readability).
Signed-off-by: Marc Herbert <marc.herbert@intel.com>
This commit adds a `tfm_level_1` samples app that shows how
to use the PSA APIs in IPC mode in a real-world example.
It makes use of the crypto, initial attestation and secure
storage modules.
Signed-off-by: Kevin Townsend <kevin@ktownsend.com>