qcacld-3.0: Reduce the idle shutdown time to 250msec

Currently the idle shutdown timer is 10sec which was kept as a
experimental value during design, now because of issues from
customers where the wifi on/off from user should also help to
recover host/fw issues reducing the time to 250msec

Change-Id: I88ccfce1ac6d4654a4436771f291a22431585f44
CRs-Fixed: 3104701

core/hdd/inc/hdd_config.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2012-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -136,7 +136,7 @@ enum hdd_dot11_mode {
 #ifdef QCA_WIFI_EMULATION
 #define CFG_INTERFACE_CHANGE_WAIT_DEFAULT	300000
 #else
-#define CFG_INTERFACE_CHANGE_WAIT_DEFAULT	10000
+#define CFG_INTERFACE_CHANGE_WAIT_DEFAULT	250
 #endif
 
 /*