Add initial board, HAL, and executor modules

main/04_hal/audio_codec/module.cmake

@@ -0,0 +1,16 @@
+# main/04_hal/audio_codec/module.cmake
+
+
+# 判断 menuconfig 中的开关
+if(NOT CONFIG_ENABLE_HAL_AUDIO_CODEC AND NOT EARLY_EXPANSION)
+    message(STATUS "  [Skip] audio_codec module disabled by menuconfig.")
+    return()
+endif()
+
+list(APPEND MODULE_SRCS
+    "04_hal/audio_codec/audio_codec.cc"
+)
+
+list(APPEND MODULE_INCLUDE_DIRS
+    "04_hal/audio_codec"
+)