docs: Added a warning about TKIP/WPA2 incompatibility [backport docs-release-5.6] (#6099)

docs: Added a warning about TKIP/WPA2 incompatibility (#6097)

Added warning about TKIP/WPA2 incompatibility


(cherry picked from commit 8782571)

Signed-off-by: pierantoniomerlino <[email protected]>
Co-authored-by: Pierantonio Merlino <[email protected]>

Author: eclipse-kura-bot

docs/gateway-configuration/wifi-configuration.md

@@ -40,12 +40,15 @@ The **Wireless** tab contains the following configuration parameters:
     - In _Station_ mode, this field is disabled.
 
 - **Pairwise Ciphers**: lists accepted pairwise (unicast) ciphers for WPA/WPA2.
-    - In _Access Point_ mode, this option is disabled.
+    - In _Access Point_ mode, this option is enabled only when WPA or WPA2 security is selected.
     - In _Station_ mode,
         - CCMP (AES-based encryption mode with strong security)
         - TKIP (Temporal Key Integrity Protocol)
         - CCMP and TKIP
 
+!!! warning
+    The TKIP cipher is not compatible with WPA2 wireless security. Use it only with WPA.
+
 - **Group Ciphers**: lists accepted group (broadcast/multicast) ciphers for WPA/WPA2.
     - In _Access Point_ mode, this option is disabled.
     - In _Station_ mode,