Import mbedtls-3.6.2

Imports Mbed TLS 3.6.2 from https://github.com/Mbed-TLS/mbedtls.git
tags mbedtls-3.6.2, v3.6.2

Files that are not needed are removed:

cd lib/libmbedtls
rm -rf mbedtls
cp -R path/to/mbedtls-3.6.2/mbedtls .
cd mbedtls
rm CMakeLists.txt DartConfiguration.tcl Makefile
rm .gitignore .travis.yml .pylintrc .globalrc .mypy.ini BRANCHES.md
rm include/.gitignore include/CMakeLists.txt library/.gitignore
rm library/CMakeLists.txt library/Makefile
rm -r cmake
rm -rf .git .github doxygen configs programs scripts tests visualc
rm -rf 3rdparty ChangeLog.d docs pkgconfig .gitmodules .readthedocs.yaml
rm library/mps_*
cd ..
git add mbedtls

This is a complete overwrite of previous code so earlier changes in the
previous branch import/mbedtls-3.6.0 will be added on top of this
commit.

Signed-off-by: Sungbae Yoo <sungbaey@nvidia.com>
diff --git a/lib/libmbedtls/mbedtls/library/psa_util.c b/lib/libmbedtls/mbedtls/library/psa_util.c
index 4ccc5b0..679d00e 100644
--- a/lib/libmbedtls/mbedtls/library/psa_util.c
+++ b/lib/libmbedtls/mbedtls/library/psa_util.c
@@ -443,6 +443,9 @@
     if (raw_len != (2 * coordinate_len)) {
         return MBEDTLS_ERR_ASN1_INVALID_DATA;
     }
+    if (coordinate_len > sizeof(r)) {
+        return MBEDTLS_ERR_ASN1_BUF_TOO_SMALL;
+    }
 
     /* Since raw and der buffers might overlap, dump r and s before starting
      * the conversion. */
@@ -561,6 +564,9 @@
     if (raw_size < coordinate_size * 2) {
         return MBEDTLS_ERR_ASN1_BUF_TOO_SMALL;
     }
+    if (2 * coordinate_size > sizeof(raw_tmp)) {
+        return MBEDTLS_ERR_ASN1_BUF_TOO_SMALL;
+    }
 
     /* Check that the provided input DER buffer has the right header. */
     ret = mbedtls_asn1_get_tag(&p, der + der_len, &data_len,