Skip device name validation for some device types.
Skip device name validation for some device types.

Partition and loop devices' names are set by parted or losetup, so there's
no need to validate the symbolic names blivet uses. Similarly, btrfs volume
names are only used within blivet so there is no need to validate them.

rvykydal/blivet,dwlehman/blivet,vpodzime/blivet,vojtechtrefny/blivet,rhinstaller/blivet,vpodzime/blivet,vojtechtrefny/blivet,dwlehman/blivet,rhinstaller/blivet,AdamWill/blivet,AdamWill/blivet,jkonecny12/blivet,jkonecny12/blivet,rvykydal/blivet