wlan: add helpers to check if fw supports management logging

If firmware supports management logging, then DXE has to know
about it so that it can setup a new channel to receive the logs.
These helper functions will be used by DXE driver to make the
decision of setting up the new channel.

CRs-Fixed: 813591
Change-Id: I04050cdcf3c0fa7088e4a22b12c15411490ba075
diff --git a/CORE/HDD/inc/wlan_hdd_main.h b/CORE/HDD/inc/wlan_hdd_main.h
index 62cdeda..813427f 100644
--- a/CORE/HDD/inc/wlan_hdd_main.h
+++ b/CORE/HDD/inc/wlan_hdd_main.h
@@ -1616,4 +1616,5 @@
 VOS_STATUS wlan_hdd_handle_dfs_chan_scan(hdd_context_t *pHddCtx,
                                    tANI_U8 dfsScanMode);
 
+v_U8_t hdd_is_fw_logging_enabled(void);
 #endif    // end #if !defined( WLAN_HDD_MAIN_H )