ci: rework docker jobs #67

	name: powerpc Toolchain

	on: [push, pull_request, workflow_dispatch]

	# Building using the github runner environement directly.
	jobs:
	powerpc:
	strategy:
	matrix:
	targets: [
	# https://go.dev/doc/install/source#environment
	ppc, # alias to ppc-440fp
	ppc64, # alias to ppc64-power8
	ppc64le, # alias ppc64le-power8
	ppc-440fp, # bootlin
	# [ppc-e500mc], # bootlin TODO(mizux) To fix
	ppc64-power8, # bootlin
	ppc64le-power8, # bootlin
	]
	fail-fast: false
	name: Linux • Toolchain ${{ matrix.targets }}
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Build env stage
	run: make --directory=ci ${{ matrix.targets }}_env
	- name: Build devel stage
	run: make --directory=ci ${{ matrix.targets }}_devel
	- name: Build toolchain stage
	run: make --directory=ci ${{ matrix.targets }}_toolchain
	- name: Build build stage
	run: make --directory=ci ${{ matrix.targets }}_build
	- name: Build Test stage
	run: make --directory=ci ${{ matrix.targets }}_test

Provide feedback