tools arch x86: Sync cpufeatures.h

To catch changes made in:

  90218ac7 ("x86/cpufeature: Detect CPUID faulting support")

No changes needed in the tools using this file at this time.

Cc: Kyle Huey <me@kylehuey.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/n/tip-qiqsj5qg2ljbsbfre2zaf9v4@git.kernel.org


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>