qcacld-3.0: Update scan request IE's with default scan IE's

1) If g_qcn_ie_support is enabled, Save QCN IE along with default scan
   IE's received from Supplicant at init time.
2) Compare and update scan IE's with saved default scan IE's for each
   scan offload request to FW.

Change-Id: I902ab753db3bc3d5b4de400f550bf4ba3ceb424b
CRs-Fixed: 2033203
diff --git a/core/hdd/inc/wlan_hdd_wext.h b/core/hdd/inc/wlan_hdd_wext.h
index b4ad078..8cbe0f4 100644
--- a/core/hdd/inc/wlan_hdd_wext.h
+++ b/core/hdd/inc/wlan_hdd_wext.h
@@ -229,6 +229,9 @@
 #define MBO_OUI_TYPE   "\x50\x6f\x9a\x16"
 #define MBO_OUI_TYPE_SIZE  4
 
+#define QCN_OUI_TYPE   "\x8c\xfd\xf0\x01"
+#define QCN_OUI_TYPE_SIZE  4
+
 enum hdd_wps_mode {
 	eWEXT_WPS_OFF = 0,
 	eWEXT_WPS_ON = 1,