add a test for EC-JPAKE compatibility in TLS1.2
add a test for EC-JPAKE compatibility in TLS1.2

This is to ensure that the MbedTLS based implementation of EC-JPAKE
is compatible with the PSA crypto one

Signed-off-by: Valerio Setti <6ba64a6eaf9a2e428a6a18c107ce3eef394cd7be@baylibre.com>

ARMmbed/mbedtls,ARMmbed/mbedtls,Mbed-TLS/mbedtls,ARMmbed/mbedtls,Mbed-TLS/mbedtls,Mbed-TLS/mbedtls,Mbed-TLS/mbedtls,ARMmbed/mbedtls