Roland Dobai e9fdc4c7b2 tools: Avoid Unicode error in kconfiglib while opening files
This fix is for IDF v4.0 and earlier versions. The upstream kconfiglib
included since IDF v4.1 doesn't have this issue.

Closes https://github.com/espressif/esp-idf/issues/4977
2020-03-23 11:36:10 +01:00
..
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