kola/tests/locksmith: properly test locksmith
kola/tests/locksmith: properly test locksmith

Using coreos-cloudinit to configure and start locksmith properly
exercises the codepath that is encountered in the field. I have no idea
why this test was originally implemented this way, but this new
implementation is more inline with what is actually done.

quantum/coreos-mantle,dm0-/mantle,glevand/coreos--mantle,dm0-/mantle,marineam/mantle,quantum/coreos-mantle,marineam/mantle,glevand/coreos--mantle