fix(ble): Check if there are illegal library files in controller lib path

(cherry picked from commit 40706bf28f)

Co-authored-by: ShenWeilong <shenweilong@espressif.com>

components/bt/controller/CMakeLists.txt

@@ -34,13 +34,20 @@ function(register_bt_ctrl_libs)
         set(lib_path "${CMAKE_CURRENT_FUNCTION_LIST_DIR}/lib_${TARGET_SRC_NAME}/${TARGET_SRC_NAME}-bt-lib")
         # BLE controller library
         if(NOT CONFIG_BT_DUAL_MODE_ARCH OR CONFIG_BT_CTRL_BLE_ENABLE)
-            if(EXISTS "${lib_path}/libble_app.a")
+            if(NOT EXISTS "${lib_path}/${idf_target}")
                 if(CONFIG_BT_CTRL_RUN_IN_FLASH_ONLY AND EXISTS "${lib_path}/libble_app_flash.a")
                     add_prebuilt_library(libble_app "${lib_path}/libble_app_flash.a" REQUIRES esp_phy bt)
                 else()
                     add_prebuilt_library(libble_app "${lib_path}/libble_app.a" REQUIRES esp_phy bt)
                 endif()
             else()
+                file(GLOB ILLEGAL_LIB_FILES "${lib_path}/*.a")
+                if(ILLEGAL_LIB_FILES)
+                    message(FATAL_ERROR
+                        "${lib_path} should not contain the library files!"
+                    )
+                endif()
+
                 if(CONFIG_BT_CTRL_RUN_IN_FLASH_ONLY AND EXISTS "${lib_path}/${idf_target}/libble_app_flash.a")
                     add_prebuilt_library(libble_app "${lib_path}/${idf_target}/libble_app_flash.a" REQUIRES esp_phy bt)
                 else()