wlan: EXTScan, adding ini parameter for llstat and EXTScan

added ini parameter gEnableLLStats and gEnableEXTScan for
enabling/disabling Link Layer Statistics and EXTSCan feature

By default these parameters are enabled. ie set it as 1.

Change-Id: I392337f3a50f40ab30120c7952d8c77bafb7f131
CRs-Fixed: 704519
diff --git a/firmware_bin/WCNSS_qcom_cfg.ini b/firmware_bin/WCNSS_qcom_cfg.ini
index 813ab3f..13257f5 100644
--- a/firmware_bin/WCNSS_qcom_cfg.ini
+++ b/firmware_bin/WCNSS_qcom_cfg.ini
@@ -438,6 +438,12 @@
 #max LI value for modulated DTIM
 gMaxLIModulatedDTIM=3
 
+#Enable/Disable Link Layer Statistics Feature
+gEnableLLStats=1
+
+#Enable/Disable EXTScan Feature
+gEnableEXTScan=1
+
 END
 
 # Note: Configuration parser would not read anything past the END marker