Merge branch 'feat/size_unify_sections_v5.4' into 'release/v5.4'

feat(tools): unify sections in idf.py size reports for NG version (v5.4)

See merge request espressif/esp-idf!34855

Author: dobairoland

tools/cmake/run_size_tool.cmake

@@ -36,6 +36,10 @@ if(DEFINED ENV{SIZE_DIFF_FILE})
     list(APPEND IDF_SIZE_CMD "--diff=$ENV{SIZE_DIFF_FILE}")
 endif()
 
+if(DEFINED ENV{ESP_IDF_SIZE_NG})
+    list(APPEND IDF_SIZE_CMD "--unify")
+endif()
+
 list(APPEND IDF_SIZE_CMD ${MAP_FILE})
 
 execute_process(COMMAND ${IDF_SIZE_CMD}