Test: Add test of symmetric Initial Attestation

Add test cases in secure side and non-secure side respectively to
test symmetric key algorithm based Initial Attestation.

Enable Initial Attestation and symmetric key algorithm based
Initial Attestation in TF-M Profile Small Regression test config.

Change-Id: I74cd79712bd6dc679dcdbb49d1ffe02320cb0e13
Signed-off-by: David Hu <david.hu@arm.com>
6 files changed