Exclude pre_shared_key for HRR

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index a10e59b..e71ba06 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -1898,7 +1898,7 @@
     }
 
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
-    if( mbedtls_ssl_tls13_key_exchange_mode_with_psk( ssl ) )
+    if( !is_hrr && mbedtls_ssl_tls13_key_exchange_mode_with_psk( ssl ) )
     {
         ret = ssl_tls13_write_server_pre_shared_key_ext( ssl, p, end, &output_len );
         if( ret != 0 )