Change the number of expected free key slots
Change the number of expected free key slots

TLS code now uses PSA to generate an ECDH private key.
Signed-off-by: Andrzej Kurek <f4c472ffe6ee3dcd17a8925cef48ace45ab528e9@arm.com>

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