qcacld-3.0: Update config options for INI 'gWlanMccToSccSwitchMode'

Update the configuration options of ini 'gWlanMccToSccSwitchMode'
to include the value of '3' which can be used to force MCC to SCC
switch without restarting the SAP by sending out channel
switch announcements.

Change-Id: Icd983b7373ea334d829a101e5296f74560851056
CRs-Fixed: 986202

config/WCNSS_qcom_cfg.ini

@@ -352,7 +352,11 @@ gActiveMinChannelTime=20
 #If set to 0, MCC is not allowed.
 gEnableMCCMode=1
 
-# MCC to SCC Switch mode: 0-Disable 1-Enable 2-Force SCC if same band
+# MCC to SCC Switch mode:
+# 0-Disable
+# 1-Enable
+# 2-Force SCC if same band
+# 3-Force SCC if same band, without SAP restart by sending (E)CSA
 gWlanMccToSccSwitchMode = 0
 
 # 1=enable STBC; 0=disable STBC