Update build system.

examples/device/audio_test_freertos/src/CMakeLists.txt

@@ -1,27 +1,4 @@
+# This file is for ESP-IDF only
 idf_component_register(SRCS "main.c" "usb_descriptors.c"
-  INCLUDE_DIRS "."
-  REQUIRES freertos soc)
-
-file(TO_NATIVE_PATH "${TOP}/hw/bsp/${FAMILY}/boards/${BOARD}/board.cmake" board_cmake)
-
-if(EXISTS ${board_cmake})
-  include(${board_cmake})
-endif()
-
-target_include_directories(${COMPONENT_TARGET} PUBLIC
-  "${TOP}/hw"
-  "${TOP}/src"
-)
-
-target_compile_definitions(${COMPONENT_TARGET} PUBLIC
-  ESP_PLATFORM
-)
-
-target_sources(${COMPONENT_TARGET} PUBLIC
-  "${TOP}/src/tusb.c"
-  "${TOP}/src/common/tusb_fifo.c"
-  "${TOP}/src/device/usbd.c"
-  "${TOP}/src/device/usbd_control.c"
-  "${TOP}/src/class/audio/audio_device.c"
-  "${TOP}/src/portable/espressif/esp32sx/dcd_esp32sx.c"
-)
+                    INCLUDE_DIRS "."
+                    REQUIRES boards tinyusb_src)