ICECUBE800BANW: vendor mapping and asic config

[aalamsi22]

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

Summary

This is the fifth PR in a series of PRs to add support for ICECUBE800BANW.

This PR adds vendor-mappings, platform-mapping generation support, and asic config yaml, and asic config generation support for ICECUBE800BANW.

PRs in this series, ordered by landing priority:

1. ICECUBE800BANW: New platform definition & Platform Mapping #873
2. ICECUBE800BANW: bsp mapping #871
3. ICECUBE800BANW: qsfp_service support #870
4. ICECUBE800BANW: led service support #875
5. ICECUBE800BANW: vendor mapping and asic config #874 (THIS PR)
6. ICECUBE800BANW: initial test_configs #877
7. ICECUBE800BANW: Platform_manager support #845
8. ICECUBE800BANW: sensor_service config #846

Landing Priority: This PR should be landed fifth.

Test Plan