Rename tls_mbedtls_cipher_to_psa() to be consistent with function naming convention.

New function name:  mbedtls_ssl_cipher_to_psa().

Signed-off-by: Przemyslaw Stekiel <przemyslaw.stekiel@mobica.com>
diff --git a/library/ssl_tls13_keys.c b/library/ssl_tls13_keys.c
index 5f0595b..13122c8 100644
--- a/library/ssl_tls13_keys.c
+++ b/library/ssl_tls13_keys.c
@@ -930,13 +930,13 @@
     /*
      * Setup psa keys and alg
      */
-    if( ( status = tls_mbedtls_cipher_to_psa( cipher_info->type,
+    if( ( status = mbedtls_ssl_cipher_to_psa( cipher_info->type,
                                  transform->taglen,
                                  &alg,
                                  &key_type,
                                  &key_bits ) ) != PSA_SUCCESS )
     {
-        MBEDTLS_SSL_DEBUG_RET( 1, "tls_mbedtls_cipher_to_psa", psa_status_to_mbedtls( status ) );
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_cipher_to_psa", psa_status_to_mbedtls( status ) );
         return( psa_status_to_mbedtls( status ) );
     }