ssl-opt.sh: Make record_outcome record the ssl-opt.sh file only

Ignore the test suite name as file from opt-testcases cannot
actually be called separately.

Signed-off-by: Tomás González <tomasagustin.gonzalezorlando@arm.com>
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index b93d439..36753af 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -895,7 +895,7 @@
     if [ -n "$MBEDTLS_TEST_OUTCOME_FILE" ]; then
         printf '%s;%s;%s;%s;%s;%s\n' \
                "$MBEDTLS_TEST_PLATFORM" "$MBEDTLS_TEST_CONFIGURATION" \
-               "${TEST_SUITE_NAME:-ssl-opt}" "$NAME" \
+               "ssl-opt" "$NAME" \
                "$1" "${2-}" \
                >>"$MBEDTLS_TEST_OUTCOME_FILE"
     fi