ARM/SMP, Some patches for review.

[Olivier Houchard]

On Fri, Nov 23, 2012 at 09:40:42AM -0700, Warner Losh wrote:
> Furthermore these items are used exclusively to change the compiler args only (except the weird DDB_ENABLED for clean files in the arm makefile that I see absolutely no reason to be there).  There should be a better way of doing things, and I'll investigate it.  However, I sometimes think we need to revamp all the building substantially, and not just add hacks to config.
> 
> There have often been times that I wanted to disable building these for my own reasons not related to what CPU I'm on.
> 

Maybe it's time to make it a separate target again ? 
I guess now that we have proper bootloaders it will get less and less useful.

Regards,

Olivier