iwlwifi: dvm: tx: Demote non-compliant kernel-doc headers

None of these headers attempt to document any function parameters.

Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/intel/iwlwifi/dvm/tx.c:811: warning: Function parameter or member 'priv' not described in 'iwlagn_hwrate_to_tx_control'
 drivers/net/wireless/intel/iwlwifi/dvm/tx.c:811: warning: Function parameter or member 'rate_n_flags' not described in 'iwlagn_hwrate_to_tx_control'
 drivers/net/wireless/intel/iwlwifi/dvm/tx.c:811: warning: Function parameter or member 'info' not described in 'iwlagn_hwrate_to_tx_control'
 drivers/net/wireless/intel/iwlwifi/dvm/tx.c:1267: warning: Function parameter or member 'priv' not described in 'iwlagn_rx_reply_compressed_ba'
 drivers/net/wireless/intel/iwlwifi/dvm/tx.c:1267: warning: Function parameter or member 'rxb' not described in 'iwlagn_rx_reply_compressed_ba'

Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Cc: Luca Coelho <luciano.coelho@intel.com>
Cc: Intel Linux Wireless <linuxwifi@intel.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200910065431.657636-4-lee.jones@linaro.org

drivers/net/wireless/intel/iwlwifi/dvm/tx.c

@@ -803,7 +803,7 @@ static void iwlagn_non_agg_tx_status(struct iwl_priv *priv,
 	rcu_read_unlock();
 }
 
-/**
+/*
  * translate ucode response to mac80211 tx status control values
  */
 static void iwlagn_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
@@ -1256,7 +1256,7 @@ void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb)
 	}
 }
 
-/**
+/*
  * iwlagn_rx_reply_compressed_ba - Handler for REPLY_COMPRESSED_BA
  *
  * Handles block-acknowledge notification from device, which reports success