[Merge] ~xypron/livecd-rootfs:visionfive_2 into livecd-rootfs:ubuntu/master

[Heinrich Schuchardt]

I have been building with EXTRA_PPAS="canonical-kernel-team/bootstrap". The kernel should soon become available in the main archive.
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https://code.launchpad.net/~xypron/livecd-rootfs/+git/livecd-rootfs/+merge/440409
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