feat(make): Sync code from esp-idf and modify for ESP8266

Commit ID: f6bfe13e

tools/cmake/scripts/data_file_embed_asm.cmake

@@ -67,6 +67,7 @@ endif()
 append_line(" */")
 
 append_line(".data")
+append_line(".section .rodata.embedded")
 append_identifier("${varname}")
 append_identifier("_binary_${varname}_start" "for objcopy compatibility")
 append("${data}")