[dts] [PATCH] blacklist add hardware requirement

[xuyanjie]

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

diff --git a/test_plans/blacklist_test_plan.rst b/test_plans/blacklist_test_plan.rst
index 02b3c2f..5e2ee9d 100644
--- a/test_plans/blacklist_test_plan.rst
+++ b/test_plans/blacklist_test_plan.rst
@@ -34,6 +34,11 @@
 Port Blacklist Tests
 ====================
 
+Hardwares
+=============
+i40e and ixgbe NIC supported, the number of NIC>=2
+
+
 Prerequisites
 =============
 
-- 
2.7.4