moarvm: new package

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
 [use buildroot's libatomic_ops, libuv and host-luajit; add
  dependencies from libuv]
[Thomas: indicate that the hash has been locally calculated.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>