wlan: Add support for default SAP using ini param

Enable support to add the default SAP interface to be opened
during startup using the ini param gEnabledefaultSAP.

Change-Id: Iede1f8673fb682753e31ed8f376453692938e4ba
CRs-Fixed: 2385308
diff --git a/CORE/HDD/src/wlan_hdd_cfg.c b/CORE/HDD/src/wlan_hdd_cfg.c
index 6a2e23a..941befb 100644
--- a/CORE/HDD/src/wlan_hdd_cfg.c
+++ b/CORE/HDD/src/wlan_hdd_cfg.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2018 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2019 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -4035,6 +4035,11 @@
                 CFG_FORCE_RSNE_OVERRIDE_MIN,
                 CFG_FORCE_RSNE_OVERRIDE_MAX),
 
+  REG_VARIABLE_STRING(CFG_ENABLE_DEFAULT_SAP, WLAN_PARAM_String,
+                      hdd_config_t, enabledefaultSAP,
+                      VAR_FLAGS_NONE,
+                      (void *)CFG_ENABLE_DEFAULT_SAP),
+
 };
 
 /*
@@ -4708,6 +4713,10 @@
             "Name = [%s] Value = [%u] ",
             CFG_FORCE_RSNE_OVERRIDE_NAME,
             pHddCtx->cfg_ini->force_rsne_override);
+    VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO_HIGH,
+            "Name = [%s] Value = [%s] ",
+            CFG_ENABLE_DEFAULT_SAP,
+            pHddCtx->cfg_ini->enabledefaultSAP);
 }