feat(mbedtls): mbedtls config update for v3.6.2

This new update to the LTS branch of MbedTLS provides
the fix for a buffer underrun vulnerability. TF-A does
not use the previously vulnerable functions
`mbedtls_pk_write_key_der` or `mbedtls_pk_write_key_pem`.
Full patch notes to this MbedTLS update can be found at
https://github.com/Mbed-TLS/mbedtls/releases/tag/mbedtls-3.6.2.

We now enforce the mbedtls version to be greater than or equal
to 3.6.2 in our default configs.

Change-Id: I79027f6c741ab3f419f7b555321507e6a78b977b
Signed-off-by: Ryan Everett <ryan.everett@arm.com>
(cherry picked from commit c307efce85cab2336ce0786b8ac46130508b8bfa)
1 file changed