qcacld-3.0: Add phymode parameter in hdd_chan_change_notify

Information in struct ch_params_s are the same for 11g and
11n ht20, so phymode is still needed to distinguish them.

Change-Id: I5ddfc011b4fd3b11c975f8b2df3a270e8141e622
CRs-Fixed: 2073580

core/sap/inc/sap_api.h

@@ -1009,6 +1009,16 @@ QDF_STATUS wlansap_set_dfs_preferred_channel_location(tHalHandle hHal,
 		uint8_t dfs_Preferred_Channels_location);
 QDF_STATUS wlansap_set_dfs_target_chnl(tHalHandle hHal,
 			uint8_t target_channel);
+
+/**
+ * wlan_sap_get_phymode() - Returns sap phymode.
+ * @ctx:	Pointer to cds Context or Sap Context.
+ *
+ * This function provides the SAP current phymode.
+ *
+ * Return: phymode
+ */
+eCsrPhyMode wlan_sap_get_phymode(void *ctx);
 uint32_t wlan_sap_get_vht_ch_width(void *ctx);
 void wlan_sap_set_vht_ch_width(void *ctx, uint32_t vht_channel_width);
 QDF_STATUS wlansap_update_sap_config_add_ie(tsap_Config_t *pConfig,