Adjust build scripts to accommodate public header move

Signed-off-by: Felix Conway <felix.conway@arm.com>
diff --git a/programs/test/generate_cpp_dummy_build.sh b/programs/test/generate_cpp_dummy_build.sh
index d27c7ae..05bdd34 100755
--- a/programs/test/generate_cpp_dummy_build.sh
+++ b/programs/test/generate_cpp_dummy_build.sh
@@ -52,6 +52,10 @@
         esac
     done
 
+    for header in tf-psa-crypto/include/mbedtls/*.h; do
+        echo "#include \"${header#tf-psa-crypto/include/}\""
+    done
+
     for header in tf-psa-crypto/include/psa/*.h; do
         case ${header#tf-psa-crypto/include/} in
             psa/crypto_config.h) :;; # not meant for direct inclusion