Apply the pre-commit hook whitespace fixes to all files in the repo.
(Line endings, blank lines at end of file, trailing whitespace)
* Original commit: espressif/esp-idf@66fb5a29bb
* changing dependencies from unity->cmock
* added component.mk and Makefile.projbuild
* ignore test dir in gen_esp_err_to_name.py
* added some brief introduction of CMock in IDF
* Original commit: espressif/esp-idf@20c068ef3b
