qcacld-3.0: Add API to get max mcs index

Add a new field max_mcs_index in mlme_legacy_priv to save max mcs
index of current vdev.
Add a new field max_real_mcs_idx in hdd_station_info to save max
mcs index of the connected station.

Change-Id: I28908515cbe5c18c79f14f8645defd5c82e3a6f0
CRs-Fixed: 3065838

components/son/dispatcher/inc/son_api.h

@@ -447,19 +447,6 @@ int wlan_son_anqp_frame(struct wlan_objmgr_vdev *vdev, int subtype,
  */
 uint8_t wlan_son_get_node_tx_power(struct element_info assoc_req_ies);
 
-/**
- * wlan_son_get_max_mcs() - calculate the max mcs supported by the node
- * @mode: current phymode
- * @supp_idx: max supported idx
- * @ext_idx: max extended idx
- * @ht_mcs_idx: max mcs index for HT
- * @vht_mcs_map: mcs map for VHT
- *
- * return: max_mcs for the node
- */
-uint8_t wlan_son_get_max_mcs(uint8_t mode, uint8_t supp_idx, uint8_t ext_idx,
-			     uint8_t ht_mcs_idx, uint8_t vht_mcs_map);
-
 /**
  * wlan_son_get_peer_rrm_info() - Get RRM info for peer
  * @assoc_req_ies: assoc req ies
@@ -548,13 +535,6 @@ uint8_t wlan_son_get_node_tx_power(struct element_info assoc_req_ies)
 	return 0;
 }
 
-static inline
-uint8_t wlan_son_get_max_mcs(uint8_t mode, uint8_t supp_idx, uint8_t ext_idx,
-			     uint8_t ht_mcs_idx, uint8_t vht_mcs_map)
-{
-	return 0;
-}
-
 static inline
 QDF_STATUS wlan_son_get_peer_rrm_info(struct element_info assoc_req_ies,
 				      uint8_t *rrmcaps,

components/son/dispatcher/inc/son_ucfg_api.h

@@ -178,19 +178,6 @@ int ucfg_son_set_cbs_dwell_split_time(struct wlan_objmgr_vdev *vdev,
  */
 uint8_t ucfg_son_get_tx_power(struct element_info assoc_req_ies);
 
-/**
- * ucfg_get_max_mcs() - calculate the max mcs supported by the node
- * @mode: current phy mode
- * @supp_idx: max supported idx
- * @ext_idx: max extended idx
- * @ht_mcs_idx: max mcs index for HT
- * @vht_mcs_map: mcs map for VHT
- *
- * Return: max_mcs for the node
- */
-uint8_t ucfg_son_get_max_mcs(uint8_t mode, uint8_t supp_idx, uint8_t ext_idx,
-			     uint8_t ht_mcs_idx, uint8_t vht_mcs_map);
-
 /**
  * ucfg_son_get_peer_rrm_info() - Get RRM info for peer
  * @assoc_req_ies: assoc req ies