selftests/powerpc: add const qualification where possible #29

	name: powerpc/selftests

	# Controls when the action will run.
	on:
	# This allows the build to be triggered manually via the github UI.
	workflow_dispatch:

	push:
	# This triggers the build on a push to any branch
	branches:
	- '**'
	# As long as one of these paths matches
	paths:
	# Generic selftests changes might affect us so match all of selftests
	- 'tools/testing/selftests/**'
	# Some files in arch are symlinked by selftests
	- 'arch/powerpc/**'
	# Change to workflow triggers a build
	- '.github/workflows/powerpc-selftests.yml'

	jobs:
	selftests:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	image: [ubuntu-22.04, ubuntu-20.04, ubuntu-18.04, ubuntu-16.04]
	subarch: [ppc64, ppc64le]

	env:
	ARCH: powerpc
	TARGET: selftests
	CCACHE: 1
	INSTALL: 1
	SUBARCH: ${{ matrix.subarch }}
	IMAGE: ${{ matrix.image }}

	steps:
	- uses: actions/checkout@v3

	- name: Register problem matchers
	run: \|
	echo "::add-matcher::.github/problem-matchers/compiler-source.json"
	echo "::add-matcher::.github/problem-matchers/compiler-non-source.json"

	- name: Load ccache
	uses: actions/cache@v3
	with:
	path: ~/.ccache
	key: ${{ matrix.image }}-${{ matrix.subarch }}-${{ matrix.defconfig }}

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build
	run: \|
	mkdir -p ~/.ccache
	./arch/powerpc/tools/ci-build.sh

	- name: Archive artifacts
	uses: actions/upload-artifact@v3
	with:
	name: ${{ matrix.subarch }}-${{ matrix.image }}
	path: \|
	~/output/install

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