doc: update release notes for mlx5 PMD

Update the release notes of mlx5 PMD for two new added devargs:
1. sys_mem_en
2. decap_en

Fixes: 5522da6b201b ("net/mlx5: add option to allocate memory from system")
Fixes: 50f95b23c9ba ("net/mlx5: add option to configure FCS or decapsulation")

Signed-off-by: Suanming Mou <suanmingm@mellanox.com>

diff --git a/doc/guides/rel_notes/release_20_08.rst b/doc/guides/rel_notes/release_20_08.rst
index 3b29aef..5fafd36 100644 (file)
--- a/doc/guides/rel_notes/release_20_08.rst
+++ b/doc/guides/rel_notes/release_20_08.rst
@@ -145,9 +145,9 @@ New Features
   Updated Mellanox mlx5 driver with new features and improvements, including:
 
   * Added mlx5 PCI layer to share a PCI device among multiple PMDs.
-  * Added new PMD devarg ``reclaim_mem_mode``.
-  * Added new devarg ``lacp_by_user``.
   * Added support for eCPRI protocol offloading.
+  * Added devargs options ``reclaim_mem_mode``, ``sys_mem_en``,
+    ``lacp_by_user`` and ``decap_en``.
 
 * **Added vDPA device APIs to query virtio queue statistics.**