[Silabs][WiFi]Added changes for 917 NCP sleepy build failure (project…

…-chip#29748)

* Added changes for 917 NCP sleepy build failure and formatting ble config file

* restyle of the ble config

* Restyling changes

* Restyle changes

* Added changed for rsi_ble_config

* Removed the ble config changes

examples/platform/silabs/SiWx917/SiWx917/sl_wifi_if.c

@@ -35,6 +35,10 @@
 #include "task.h"
 #include "wfx_host_events.h"
 
+#if (EXP_BOARD)
+#include "rsi_bt_common_apis.h"
+#endif
+
 #include "ble_config.h"
 
 #include "dhcp_client.h"