[Merge] ~jchittum/livecd-rootfs:main-fix-riscv64-conditional into livecd-rootfs:ubuntu/master

[John Chittum]

The proposal to merge ~jchittum/livecd-rootfs:main-fix-riscv64-conditional into livecd-rootfs:ubuntu/master has been updated.

Commit message changed to:

fix: risc64 install-grub efi fix LP:#2015750

For more details, see:
https://code.launchpad.net/~jchittum/livecd-rootfs/+git/livecd-rootfs/+merge/440645
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Your team Ubuntu Core Development Team is requested to review the proposed merge of ~jchittum/livecd-rootfs:main-fix-riscv64-conditional into livecd-rootfs:ubuntu/master.