Initialize PSA crypto in test_suite_pk pk_rsa_encrypt_test_vec() & pk_rsa_alt() when USE_PSA_CRYPTO is enabled
Initialize PSA crypto in test_suite_pk pk_rsa_encrypt_test_vec() & pk_rsa_alt() when USE_PSA_CRYPTO is enabled

Signed-off-by: Neil Armstrong <619b324efbf5f7848de055bdc8bef4c0dd7c8ef5@baylibre.com>

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