x86, cpu: Convert F00F bug detection

... to using the new facility and drop the cpuinfo_x86 member.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1363788448-31325-3-git-send-email-bp@alien8.de


Signed-off-by: H. Peter Anvin <hpa@zytor.com>