Fix header guard since 2 headers had the same (#32297)

diff --git a/src/platform/silabs/rs911x/rsi_ble_config.h b/src/platform/silabs/rs911x/rsi_ble_config.h
index bf40cad..72f830b 100644
--- a/src/platform/silabs/rs911x/rsi_ble_config.h
+++ b/src/platform/silabs/rs911x/rsi_ble_config.h
@@ -14,9 +14,7 @@
  * sections of the MSLA applicable to Source Code.

  *

  ******************************************************************************/

-

-#ifndef RSI_BLE_CONFIG_H

-#define RSI_BLE_CONFIG_H

+#pragma once

 

 #include "rsi_ble_apis.h"

 #if (SIWX_917 | EXP_BOARD)

@@ -315,6 +313,4 @@
     uint16_t DATA_ix;

     uint16_t att_rec_list_count;

     rsi_ble_att_list_t att_rec_list[NO_OF_VAL_ATT];

-} rsi_ble_t;

-

-#endif
\ No newline at end of file
+} rsi_ble_t;
\ No newline at end of file