qcacld-3.0: Add ini to enable/disable vht mcs 10 and 11 support

Currently there is no ini to enable/disable vht mac 10, 11
and this feature is completely based on FW capability.

Based on current requirement add support to enable/disable
vht mcs 10/11 feature from ini.

CRs-Fixed: 2861854
Change-Id: I350daea8a2f81bfeac25ccdda026d1a5d1c133e3

components/mlme/dispatcher/src/wlan_mlme_api.c

@@ -3615,8 +3615,11 @@ mlme_update_vht_cap(struct wlan_objmgr_psoc *psoc, struct wma_tgt_vht_cap *cfg)
 	if (vht_cap_info->short_gi_160mhz && !cfg->vht_short_gi_160)
 		vht_cap_info->short_gi_160mhz = cfg->vht_short_gi_160;
 
-	vht_cap_info->vht_mcs_10_11_supp = cfg->vht_mcs_10_11_supp;
-	mlme_legacy_debug(" vht_mcs_10_11_supp %d", cfg->vht_mcs_10_11_supp);
+	if (cfg_get(psoc, CFG_ENABLE_VHT_MCS_10_11))
+		vht_cap_info->vht_mcs_10_11_supp = cfg->vht_mcs_10_11_supp;
+
+	mlme_legacy_debug("vht_mcs_10_11_supp %d",
+			  vht_cap_info->vht_mcs_10_11_supp);
 
 	return QDF_STATUS_SUCCESS;
 }