[Accton][wedge800bact] Fix EAPOL packets not trapping to CPU

[brandonchen-accton]

Summary

Add 'sai_eapol_trap_use_bcast_mac: 1' to the YAML config to allow broadcast EAPOL packets to be trapped to the CPU.

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
shellcheck...........................................(no files to check)Skipped
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
ruff format..........................................(no files to check)Skipped

Test Plan

Running all tests took 0:00:46.165313 between 2026-03-31 13:57:13.416682 and 2026-03-31 13:57:59.581995
[       OK ] warm_boot.AgentCoppEapolTest/0.EapolToHighPriQ (12729 ms)
[       OK ] warm_boot.AgentCoppEapolTest/1.EapolToHighPriQ (11092 ms)
Summary:
   OK : 2
   FAILED : 0
   SKIPPED : 0
   TIMEOUT : 0

[meta-codesync]

@tanmayaudupa has imported this pull request. If you are a Meta employee, you can view this in D101674693.

[meta-codesync]

@tanmayaudupa merged this pull request in 3c75aa4.