[roll pigweed] pw_tokenizer: Limit files being parsed to CSVs

- Create a check to only parse CSVs in the directory

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/107645

https://pigweed.googlesource.com/pigweed/pigweed
pigweed Rolled-Commits: 4c01e58701501bc..fe1681d9ab676ec
Roller-URL: https://ci.chromium.org/b/8805354714191236993
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Change-Id: I873b0f9cb1eef06708235162db6906613a28067a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/zephyr-integration/+/107677
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1 file changed
tree: 235913705bf634d5a8dfe181224195ddab703460
  1. .gitmodules
  2. test.sh