iwlwifi: fix typo in comment

Change "anntena" to "antenna" in a comment in stats.h.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20201209231352.abca200b24d6.If5ce9e8abd5034496e98e97a53c446f045438388@changeidSigned-off-by: Luca Coelho <luciano.coelho@intel.com>

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

@@ -95,7 +95,7 @@ struct mvm_statistics_div {
  * @interference_data_flag: flag for interference data availability. 1 when data
  *	is available.
  * @channel_load: counts RX Enable time in uSec
- * @beacon_rssi_a: beacon RSSI on anntena A
+ * @beacon_rssi_a: beacon RSSI on antenna A
  * @beacon_rssi_b: beacon RSSI on antenna B
  * @beacon_rssi_c: beacon RSSI on antenna C
  * @beacon_energy_a: beacon energy on antenna A