Fix codespell config

Author: lucasssvaz

.codespellrc

@@ -1,8 +1,8 @@
 [codespell]
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/spell-check/.codespellrc
 # In the event of a false positive, add the problematic word, in all lowercase, to a comma-separated list here:
-ignore-words-list = ba,licence,ot
-skip = ./.git,./.licenses,__pycache__,./.clang-format,./.editorconfig,./.flake8,./.prettierignore,./.yamllint.yml
+ignore-words-list = ba,licence,ot,dout,als
+skip = ./.git,./.licenses,__pycache__,./.clang-format,./.editorconfig,./.flake8,./.prettierignore,./.yamllint.yml,./.gitignore,./boards.txt,./platform.txt,./programmers.txt
 builtin = clear,informal,en-GB_to_en-US
 check-filenames =
 check-hidden =