doc: update release notes for hns3

Add TM(Traffic Management) feature with hns3 in release notes.
It includes:
1. configure port's peak rate with PF
2. configure TC's peak rate with PF

Fixes: c09c7847d892 ("net/hns3: support traffic management")
Cc: stable@dpdk.org
Signed-off-by: Lijun Ou <oulijun@huawei.com>

diff --git a/doc/guides/rel_notes/release_21_02.rst b/doc/guides/rel_notes/release_21_02.rst
index 4caef9e2638316ff96f073a6d1635f769a2dc0fb..3b205ce9e564f708a64d2cfff7d509a97b50e978 100644 (file)
--- a/doc/guides/rel_notes/release_21_02.rst
+++ b/doc/guides/rel_notes/release_21_02.rst
@@ -92,6 +92,10 @@ New Features
 
   * Added support for 64B completion queue entries
 
+* **Updated Hisilicon hns3 driver.**
+
+  * Added support for traffic management
+
 * **Updated Intel ice driver.**
 
   Updated the Intel ice driver with new features and improvements, including: