Replace deprecated functions

Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
diff --git a/library/ssl_tls13_generic.c b/library/ssl_tls13_generic.c
index a7fddf9..feca203 100644
--- a/library/ssl_tls13_generic.c
+++ b/library/ssl_tls13_generic.c
@@ -1611,7 +1611,7 @@
     status = psa_generate_key(&key_attributes,
                               &handshake->ecdh_psa_privkey);
     if (status != PSA_SUCCESS) {
-        ret = psa_ssl_status_to_mbedtls(status);
+        ret = PSA_TO_MBEDTLS_ERR(status);
         MBEDTLS_SSL_DEBUG_RET(1, "psa_generate_key", ret);
         return ret;
 
@@ -1622,7 +1622,7 @@
                                    buf, PSA_BITS_TO_BYTES(ffdh_bits),
                                    &own_pubkey_len);
     if (status != PSA_SUCCESS) {
-        ret = psa_ssl_status_to_mbedtls(status);
+        ret = PSA_TO_MBEDTLS_ERR(status);
         MBEDTLS_SSL_DEBUG_RET(1, "psa_export_public_key", ret);
         return ret;
     }