cocotb port optimizations, fixes and working multi-clocking #53

	name: UF2 Generate and Release
	on:
	workflow_dispatch:
	push:
	jobs:
	create-release:
	env:
	RPOS_UF2FILE: RPI_PICO-20241025-v1.24.0.uf2
	TT_RUNS_SUPPORTED: "tt04 tt05 tt06"
	runs-on: ubuntu-latest
	steps:

	- name: checkout repo
	uses: actions/checkout@v4
	with:
	submodules: recursive
	path: sdk

	- name: Download stock MicroPython UF2
	run: wget -O /tmp/rp2-pico.uf2 "https://micropython.org/resources/firmware/$RPOS_UF2FILE"

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.10'
	cache: 'pip'

	- name: Get shuttle indices
	run: \|
	mkdir $GITHUB_WORKSPACE/sdk/src/shuttles
	for chip in $TT_RUNS_SUPPORTED; do wget -O $GITHUB_WORKSPACE/sdk/src/shuttles/$chip.json "https://index.tinytapeout.com/$chip.json?fields=repo,address,commit,clock_hz,title"; done

	- name: Build the final UF2
	run: \|
	pip install uf2utils
	touch $GITHUB_WORKSPACE/sdk/src/release_${{ github.ref_name }}
	python -m uf2utils.examples.custom_pico --fs_root $GITHUB_WORKSPACE/sdk/src --upython /tmp/rp2-pico.uf2 --out /tmp/tt-demo-rp2040-${{ github.ref_name }}.uf2

	- name: Upload Artifact
	uses: actions/upload-artifact@v4
	with:
	name: tt-demo-board-firmware
	path: /tmp/tt-demo-rp2040-${{ github.ref_name }}.uf2

	- name: Upload Release
	uses: ncipollo/release-action@v1
	if: startsWith(github.ref, 'refs/tags/')
	with:
	artifacts: "/tmp/tt-demo-rp2040-${{ github.ref_name }}.uf2"
	token: ${{ secrets.GITHUB_TOKEN }}
	generateReleaseNotes: true

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