Add MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES to ignore list for CI

With the removal of the component_test_psa_inject_entropy test,
MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES is no longer set in any tests, and so
the CI will complain unless it is added to the ignore list.

Signed-off-by: Felix Conway <felix.conway@arm.com>
diff --git a/tests/scripts/analyze_outcomes.py b/tests/scripts/analyze_outcomes.py
index 5f8f910..c7c9ed5 100755
--- a/tests/scripts/analyze_outcomes.py
+++ b/tests/scripts/analyze_outcomes.py
@@ -118,10 +118,11 @@
             # Untested platform-specific optimizations.
             # https://github.com/Mbed-TLS/mbedtls/issues/9588
             'Config: MBEDTLS_HAVE_SSE2',
-            # Obsolete configuration option, to be replaced by
+            # Obsolete configuration options, to be replaced by
             # PSA entropy drivers.
             # https://github.com/Mbed-TLS/mbedtls/issues/8150
             'Config: MBEDTLS_NO_PLATFORM_ENTROPY',
+            'Config: MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES',
             # Untested aspect of the platform interface.
             # https://github.com/Mbed-TLS/mbedtls/issues/9589
             'Config: MBEDTLS_PLATFORM_NO_STD_FUNCTIONS',