qcacmn: Add support to populate target 11AX wireless modes

Add support to populate 11AX wireless modes advetised in ext2 service
ready message. To support older FW that do not advertise this, use
existing host workaround to populate these in host  itself.

Change-Id: I3b3b280672592c858bd3f6f0e368909a16bd30ee
CRs-Fixed: 2650136

umac/cmn_services/obj_mgr/inc/wlan_objmgr_psoc_obj.h

@@ -395,6 +395,17 @@ struct wlan_psoc_host_hal_reg_capabilities_ext {
 	uint32_t high_5ghz_chan;
 };
 
+/**
+ * struct wlan_psoc_host_hal_reg_capabilities_ext2 - HAL reg capabilities
+ * from service ready ext2 event.
+ * @phy_id: phy id starts with 0
+ * @wireless_modes_ext: REGDMN MODE, see REGDMN_MODE_ enum
+ */
+struct wlan_psoc_host_hal_reg_capabilities_ext2 {
+	uint32_t phy_id;
+	uint32_t wireless_modes_ext;
+};
+
 /**
  ** APIs to Create/Delete Global object APIs
  */