wifi: iwlwifi: fw: api: fix missing RX descriptor kernel-doc

The v1/v3 remaining bits are not annotated in kernel-doc,
fix that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240703125541.d7adf8b235fe.I91f75e292d1648f61e5e341e1fe58096f858853d@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/intel/iwlwifi/fw/api/rx.h

@@ -710,7 +710,15 @@ struct iwl_rx_mpdu_desc {
 	__le32 reorder_data;
 
 	union {
+		/**
+		 * @v1: version 1 of the remaining RX descriptor,
+		 *	see &struct iwl_rx_mpdu_desc_v1
+		 */
 		struct iwl_rx_mpdu_desc_v1 v1;
+		/**
+		 * @v3: version 3 of the remaining RX descriptor,
+		 *	see &struct iwl_rx_mpdu_desc_v3
+		 */
 		struct iwl_rx_mpdu_desc_v3 v3;
 	};
 } __packed; /* RX_MPDU_RES_START_API_S_VER_3,