qcacmn: Add CFG/INI items to extscan component

Add following extscan CFG items to common ext scan component

1.CFG_EXTSCAN_PASSIVE_MAX_CHANNEL_TIME
2.CFG_EXTSCAN_PASSIVE_MIN_CHANNEL_TIME
3.CFG_EXTSCAN_ACTIVE_MAX_CHANNEL_TIME
4.CFG_EXTSCAN_ACTIVE_MIN_CHANNEL_TIME
5.CFG_EXTSCAN_ALLOWED

Change-Id: Ib4e1acc2d1535f91a8dc084305cdf01f5d7f57f1
CRs-Fixed: 2292754

cfg/inc/cfg_converged.h

@@ -25,10 +25,12 @@
 
 #include <wlan_scan_cfg.h>
 #include "cfg_dp.h"
+#include <wlan_extscan_cfg.h>
 
 #define CFG_CONVERGED_ALL \
 		CFG_SCAN_ALL \
-		CFG_DP
+		CFG_DP \
+		CFG_EXTSCAN_ALL
 
 #endif /* __CFG_CONVERGED_H */