[PATCH] Fix crash due to processing "memory-controller" nodes as "memory"

[Ian Munsie]

Excerpts from Anton Blanchard's message of 2015-07-22 09:18:44 +1000:
> Hi,
> 
> > > Nice catch! I wonder if we should be checking for device_type
> > > "memory". Ben?
> > 
> > Yes. That's what Linux does.
> 
> Ian: I made that change, and slightly modified your commit message.
> Look ok?

Looks good to me :)

Cheers,
-Ian