This fixes META_MODE rebuilding since it assumes that it this is
a non-consistent build command. These are always unencoded consistently
though and do not need to use the .OODATE/$? mechanism.
MFC after: 2 weeks
Reported by: npn
Sponsored by: DellEMC
The licence grant says something exactly the same as the atheros patent
grant, which is "As long as you use this firmware on our chips, everything
is totally okay." Now, I'm pretty sure if that we /have/ to have this,
we're going to have to have it for every other firmware for every other
device in the tree.
So, I'll flip this off in -HEAD for now so people stop asking about
why rsu/urtwn don't work out of the box, and I'll kick off a larger
discussion about this in the new year.
