qcacmn: Add INI support to disable spectral feature

Add INI support to disable spectral feature and do not process the spectral
user commands if spectral feature is  disabled.

Change-Id: Id353131675454652d59fd5d5f8fd3d732a07b777
Acked-by: Shashikala Prabhu <pshashik@codeaurora.org>
CRs-Fixed: 2343947

cfg/inc/cfg_converged.h

@@ -27,12 +27,14 @@
 #include "cfg_dp.h"
 #include <wlan_extscan_cfg.h>
 #include "cfg_green_ap_params.h"
+#include <cfg_spectral.h>
 
 #define CFG_CONVERGED_ALL \
 		CFG_SCAN_ALL \
 		CFG_DP \
 		CFG_EXTSCAN_ALL \
-		CFG_GREEN_AP_ALL
+		CFG_GREEN_AP_ALL \
+		CFG_SPECTRAL_ALL
 
 #endif /* __CFG_CONVERGED_H */