[mavlink] Parameter to always start on USB #18757

	name: Compile Linux ARM64 Targets

	on:
	push:
	branches:
	- 'main'
	- 'stable'
	- 'beta'
	- 'release/*'
	pull_request:
	branches:
	- '*'

	jobs:
	build:
	runs-on: ubuntu-latest
	container: px4io/px4-dev-aarch64:2022-08-12
	strategy:
	matrix:
	config: [
	scumaker_pilotpi_arm64,
	]
	steps:
	- uses: actions/checkout@v1
	with:
	token: ${{secrets.ACCESS_TOKEN}}

	- name: Prepare ccache timestamp
	id: ccache_cache_timestamp
	shell: cmake -P {0}
	run: \|
	string(TIMESTAMP current_date "%Y-%m-%d-%H;%M;%S" UTC)
	message("::set-output name=timestamp::${current_date}")
	- name: ccache cache files
	uses: actions/cache@v2
	with:
	path: ~/.ccache
	key: ${{matrix.config}}-ccache-${{steps.ccache_cache_timestamp.outputs.timestamp}}
	restore-keys: ${{matrix.config}}-ccache-
	- name: setup ccache
	run: \|
	mkdir -p ~/.ccache
	echo "base_dir = ${GITHUB_WORKSPACE}" > ~/.ccache/ccache.conf
	echo "compression = true" >> ~/.ccache/ccache.conf
	echo "compression_level = 6" >> ~/.ccache/ccache.conf
	echo "max_size = 100M" >> ~/.ccache/ccache.conf
	echo "hash_dir = false" >> ~/.ccache/ccache.conf
	ccache -s
	ccache -z

	- name: make ${{matrix.config}}
	run: make ${{matrix.config}}
	- name: ccache post-run
	run: ccache -s

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