wifi: iwlwifi: mvm: refactor iwl_mvm_sta

As the new MLD API is introduced, we have a new enumeration
for the different station types. Since struct iwl_mvm_sta's
sta_type field will be in use for both new and old API,
change its type to a unified one, so it can hold both.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230320122330.c8b86d8ddd3e.I9581235860b91654b4f6c3a8797c777702690998@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/intel/iwlwifi/mvm/sta.h

@@ -386,7 +386,7 @@ struct iwl_mvm_sta {
 	u32 mac_id_n_color;
 	u16 tid_disable_agg;
 	u16 max_agg_bufsize;
-	enum iwl_sta_type sta_type;
+	u8 sta_type;
 	enum ieee80211_sta_state sta_state;
 	bool bt_reduced_txpower;
 	bool next_status_eosp;