tls13: srv: Add discard_early_data_record SSL field

Add discard_early_data_record in SSL context for
the record layer to know if it has to discard
some potential early data record and how.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index c952add..c2f874b 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -1098,9 +1098,14 @@
         return MBEDTLS_ERR_SSL_ALLOC_FAILED;
     }
 
-#if defined(MBEDTLS_SSL_EARLY_DATA) && defined(MBEDTLS_SSL_CLI_C)
+#if defined(MBEDTLS_SSL_EARLY_DATA)
+#if defined(MBEDTLS_SSL_CLI_C)
     ssl->early_data_status = MBEDTLS_SSL_EARLY_DATA_STATUS_NOT_SENT;
 #endif
+#if defined(MBEDTLS_SSL_SRV_C)
+    ssl->discard_early_data_record = MBEDTLS_SSL_EARLY_DATA_NO_DISCARD;
+#endif
+#endif /* MBEDTLS_SSL_EARLY_DATA */
 
     /* Initialize structures */
     mbedtls_ssl_session_init(ssl->session_negotiate);