Added submodule contents into tree

externals/mbedtls/programs/wince_main.c

@@ -0,0 +1,31 @@
+/*
+ *  Windows CE console application entry point
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+#if defined(_WIN32_WCE)
+
+#include <windows.h>
+
+extern int main(int, const char **);
+
+int _tmain(int argc, _TCHAR *targv[])
+{
+    char **argv;
+    int i;
+
+    argv = (char **) calloc(argc, sizeof(char *));
+
+    for (i = 0; i < argc; i++) {
+        size_t len;
+        len = _tcslen(targv[i]) + 1;
+        argv[i] = (char *) calloc(len, sizeof(char));
+        wcstombs(argv[i], targv[i], len);
+    }
+
+    return main(argc, argv);
+}
+
+#endif  /* defined(_WIN32_WCE) */