wifi: iwlwifi: fw: api: fix some kernel-doc

There are naming issues of structs vs. kernel-doc,
fix some that I noticed now.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240625194805.4c530804b4ff.I68b894b9cdbd9560d86b92646e9b6b17a6d5117e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>