mbedtls: Enable TLS 1.2 support

Since lwIP and mbedTLS have been merged we can tweak the config options
and enable TLS1.2 support. Add RSA and ECDSA by default and enable
enough block cipher modes of operation to be comatible with modern
TLS requirements and webservers

Reviewed-by: Raymond Mao <raymond.mao@linaro.org>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
3 files changed