We don't need to explicitly invoke the archheaders target because of
the dependency on __headers in the Makefile.
Reported-and-tested-by: NMichal Marek <mmarek@suse.cz>
Link: http://lkml.kernel.org/r/4ECA8991.20302@suse.czSigned-off-by: NH. Peter Anvin <hpa@zytor.com>