x86: Fold-in trivial check_config function

Fold it into its single call site. No functionality change.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1365436666-9837-3-git-send-email-bp@alien8.de


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