[nrf fromlist] manifest: Update nrf_wifi revision to fix doxygen comments

Fix doxygen comments of arguments.

Upstream PR #: 87404

Signed-off-by: Kapil Bhatt <[email protected]>

Author: kapbh

west.yml

@@ -318,7 +318,7 @@ manifest:
       revision: b84bd7314a239f818e78f6927f5673247816df53
       path: modules/bsim_hw_models/nrf_hw_models
     - name: nrf_wifi
-      revision: 662ed74dce955e6c243f91c45a66768f5971e3cb
+      revision: ad20575303d7d1eccb4cd5bd19cebf3367c3ac59
       path: modules/lib/nrf_wifi
     - name: open-amp
       revision: 52bb1783521c62c019451cee9b05b8eda9d7425f