[PATCH] doc: add test platform

[Apeksha Gupta]

Add tested NXP platform to v21.11 release note for NXP enetfec
PMD.

Signed-off-by: Apeksha Gupta <apeksha.gupta at nxp.com>
---
 doc/guides/rel_notes/release_21_11.rst | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/doc/guides/rel_notes/release_21_11.rst b/doc/guides/rel_notes/release_21_11.rst
index f31d52f557..285be6d713 100644
--- a/doc/guides/rel_notes/release_21_11.rst
+++ b/doc/guides/rel_notes/release_21_11.rst
@@ -720,3 +720,14 @@ Tested Platforms
       * Firmware version: 8.30 0x8000a489 1.2879.0
       * Device id (pf): 8086:15ff
       * Driver version: 2.17.4 (i40e)
+
+* ARM SoCs from NXP (with integrated NICs)
+
+    * SoC:
+
+      * NXP i.MX 8M Mini with ARM Cortex A53, Cortex M4
+
+    * OS (Based on NXP LF support packages):
+
+      * Kernel version: 5.10
+      * Ubuntu 18.04
-- 
2.17.1