Don't use a 'wwn' kwarg for MDBiosRaidArrayDevice (#1557957)
Don't use a 'wwn' kwarg for MDBiosRaidArrayDevice (#1557957)

MDBiosRaidArrayDevice's parent class doesn't take a 'wwn' kwarg,
so the populator for it shouldn't pass one.

For more details, see comment 15 on the bug.

Resolves: rhbz#1557957

Signed-off-by: Adam Williamson <9343557fe728326ecca60ea600eccabb6754179b@redhat.com>

rvykydal/blivet,vojtechtrefny/blivet,vojtechtrefny/blivet,jkonecny12/blivet,rvykydal/blivet,jkonecny12/blivet