[Merge] ~alexghiti/livecd-rootfs:int/alex/riscv_no_beaglev into livecd-rootfs:ubuntu/master

[Steve Langasek]

these names look good to me for what the images are.  Of course I would prefer it if we were seeing greater consolidation of images that support multiple boards / chips, but given that this is where we are today it looks appropriate.
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https://code.launchpad.net/~alexghiti/livecd-rootfs/+git/livecd-rootfs/+merge/424678
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