prima: extscan: Addition of ini gExtScanConcMode.

Add ini variable gExtScanConcMode to provide option to enable/
disable ext scan or use split scan during concurrency mode.

Change-Id: I46b7ff270c23e8aaeb788a00b09323db98b2e407
CRs-Fixed: 907616
diff --git a/CORE/MAC/inc/wniCfg.h b/CORE/MAC/inc/wniCfg.h
index 7c4cd80..7435f0f 100644
--- a/CORE/MAC/inc/wniCfg.h
+++ b/CORE/MAC/inc/wniCfg.h
@@ -387,7 +387,8 @@
      WNI_CFG_LINK_FAIL_TIMEOUT,
      WNI_CFG_LINK_FAIL_TX_CNT,
      WNI_CFG_OPTIMIZE_CA_EVENT,
-     WNI_CFG_ACTIVE_PASSIVE_CON
+     WNI_CFG_ACTIVE_PASSIVE_CON,
+     WNI_CFG_EXT_SCAN_CONC_MODE
 };
 
 /*
@@ -1896,8 +1897,12 @@
 #define WNI_CFG_ACTIVE_PASSIVE_CON_MAX 1
 #define WNI_CFG_ACTIVE_PASSIVE_CON_DEF 0
 
-#define CFG_PARAM_MAX_NUM        354
-#define CFG_STA_IBUF_MAX_SIZE    288
+#define WNI_CFG_EXT_SCAN_CONC_MODE_MIN    0
+#define WNI_CFG_EXT_SCAN_CONC_MODE_MAX    2
+#define WNI_CFG_EXT_SCAN_CONC_MODE_DEF    1
+
+#define CFG_PARAM_MAX_NUM        355
+#define CFG_STA_IBUF_MAX_SIZE    289
 #define CFG_STA_SBUF_MAX_SIZE    3389
 
 #define CFG_STA_MAGIC_DWORD    0xbeefbeef