CVE-2025-47917 is that the function mbedtls_x509_string_to_names() takes
a head argument and performs a deep free() on it.
Backport patch to fix CVE-2025-47917 and drop the modification in doc
file and comment in header file which lack of context.
Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>