[Accton] Add supplemental platform files per QSFP service requirements.

[ec-michael-shih]

Pre-submission checklist

• I've ran the linters locally and fixed lint errors related to the files I modified in this PR. You can install the linters by running
  pip install -r requirements-dev.txt && pre-commit install
• pre-commit run

clang-format.........................................(no files to check)Skipped
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shfmt................................................(no files to check)Skipped
trim trailing whitespace.................................................Passed
fix end of files.........................................................Passed
check yaml...........................................(no files to check)Skipped
check json...........................................(no files to check)Skipped
check for merge conflicts................................................Passed
ruff check...........................................(no files to check)Skipped

Summary

Based on the first four requirements outlined in 'Qsfp Service Code Changes,' this PR provides the supplemental implementation and specifies the new files needed for platform integration.