Ignore tests of built-in interfaces for driver-only testing parity

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>

tests/scripts/analyze_outcomes.py

@@ -206,6 +206,7 @@ TASKS = {
             'ignored_suites': [
                 'shax', 'mdx', # the software implementations that are being excluded
                 'md.psa',  # purposefully depends on whether drivers are present
+                'psa_crypto_low_hash.generated', # testing the builtins
             ],
             'ignored_tests': {
             }