[dts] [PATCH] add hardware information

[xuyanjie]

Signed-off-by: xuyanjie <yanjie.xu at intel.com>

diff --git a/test_plans/hotplug_test_plan.rst b/test_plans/hotplug_test_plan.rst
index b065f46..4b3060d 100644
--- a/test_plans/hotplug_test_plan.rst
+++ b/test_plans/hotplug_test_plan.rst
@@ -46,6 +46,12 @@ traffic generator. Port configurations can be set interactively,
 and still be set at the command line when launching the application in
 order to be compatible with previous test framework.
 
+Hardware
+=============
+
+Both ixgbe and i40e nic are supported ,the number of ports >= 2 
+
+
 Prerequisites
 =============
 
-- 
2.7.4