Improve handling of programs by demo script

Signed-off-by: Ben Taylor <ben.taylor@linaro.org>

Author: Ben Taylor

programs/mldsa/mldsa_demo.sh

@@ -1,5 +1,24 @@
-#!/bin/bash
-./tf-psa-crypto/programs/mldsa/mldsa_export_public
-./tf-psa-crypto/programs/mldsa/mldsa_sign
-./tf-psa-crypto/programs/mldsa/mldsa_verify
+#!/bin/sh
+#
+# Copyright The Mbed TLS Contributors
+# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 
+. "${0%/*}/../../framework/scripts/demo_common.sh"
+
+msg <<'EOF'
+This program demonstrates the use of the PSA cryptography interface to
+compute a SHA-256 hash of a test string using the one-shot API call
+and also using the multi-part operation API.
+EOF
+
+depends_on TF_PSA_CRYPTO_PQCP_MLDSA_ENABLED TF_PSA_CRYPTO_PQCP_MLDSA_87_ENABLED MBEDTLS_ASN1_WRITE_C
+
+mldsa_export_public="${0%/*}"/mldsa_export_public
+mldsa_sign="${0%/*}"/mldsa_sign
+mldsa_verify="${0%/*}"/mldsa_verify
+
+"$mldsa_export_public"
+"$mldsa_sign"
+"$mldsa_verify"
+
+cleanup