cpuid: removed from project

The API is atrocious, it's buggy, and it creates enormous code. If you want to
have a tool that does CPUID correctly, check out:

   https://github.com/tycho/cpuid

It's not a library, though. I'd welcome contributions to turn it into
a C library.

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
Merge remote-tracking branch 'origin/master' into HEAD
unbreak build on Mac OS X with GCC 4.8

Mostly missing includes.

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
Merge remote-tracking branch 'origin/master'