Change ticket_flag base on review

Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 1ae441c..8b1ed23 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -820,12 +820,10 @@
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) && defined(MBEDTLS_SSL_SESSION_TICKETS)
 
-typedef enum
-{
-    MBEDTLS_SSL_TICKET_ALLOW_EARLY_DATA = 1,
-    MBEDTLS_SSL_TICKET_ALLOW_DHE_RESUMPTION = 2,
-    MBEDTLS_SSL_TICKET_ALLOW_PSK_RESUMPTION = 4,
-} mbedtls_ssl_ticket_flags;
+typedef uint8_t mbedtls_ssl_tls13_ticket_flags;
+#define MBEDTLS_SSL_TLS1_3_TICKET_ALLOW_PSK_RESUMPTION              ( 1u << 0 )
+#define MBEDTLS_SSL_TLS1_3_TICKET_ALLOW_PSK_EPHEMERAL_RESUMPTION    ( 1u << 2 )
+#define MBEDTLS_SSL_TLS1_3_TICKET_HAS_EARLY_DATA_INDACTION          ( 1u << 3 )
 
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 && MBEDTLS_SSL_SESSION_TICKETS */
 /**