Adapt generated psa no_supported tests for HMAC

Remove no_supported HMAC generate/import tests when !PSA_KEY_TYPE_HMAC as HMAC key creation works regardless of PSA_WANT_KEY_TYPE_HMAC.

Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
diff --git a/tests/scripts/generate_psa_tests.py b/tests/scripts/generate_psa_tests.py
index ca94d7d..2e9783a 100755
--- a/tests/scripts/generate_psa_tests.py
+++ b/tests/scripts/generate_psa_tests.py
@@ -165,6 +165,7 @@
     ALWAYS_SUPPORTED = frozenset([
         'PSA_KEY_TYPE_DERIVE',
         'PSA_KEY_TYPE_RAW_DATA',
+        'PSA_KEY_TYPE_HMAC'
     ])
     def test_cases_for_key_type_not_supported(
             self,