iwlwifi: api: remove datamember from struct

We don't use this, but we embed this struct elsewhere and
having structs with flexible arrays embedded isn't quite
right, with sparse (for example) complaining. Remove the
data[] member in this case.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210819183728.72ca1232b27c.I6ec766691b89670e1683f9fc0fbd12648309a574@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/fw/api/dbg-tlv.h

@@ -33,12 +33,11 @@ struct iwl_fw_ini_hcmd {
  *
  * @version: TLV version
  * @domain: domain of the TLV. One of &enum iwl_fw_ini_dbg_domain
- * @data: TLV data
  */
 struct iwl_fw_ini_header {
 	__le32 version;
 	__le32 domain;
-	u8 data[];
+	/* followed by the data */
 } __packed; /* FW_TLV_DEBUG_HEADER_S_VER_1 */
 
 /**