Allow the use of threading dependancies in PSA tests.

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 2b7ed00..99c1d49 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -1110,6 +1110,9 @@
     echo "MBEDTLS_ECP_RESTARTABLE" >> $expected
     # No PSA equivalent - needed by some init tests
     echo "MBEDTLS_ENTROPY_NV_SEED" >> $expected
+    # No PSA equivalent - required to run threaded tests.
+    echo "MBEDTLS_THREADING_C" >> $expected
+    echo "MBEDTLS_THREADING_PTHREAD" >> $expected
 
     # Compare reality with expectation.
     # We want an exact match, to ensure the above list remains up-to-date.