Default the machdep.lapic_allclocks to be enabled in order to cope with
broken atrtc.
Now if you want more correct stats on profhz and stathz it may be
disabled by setting to 0.

Reported by: A. Akephalos <akephalos dot akephalos at gmail dot com>,

		Jakub Lach <jakub_lach at mailplus dot pl>

MFC: 1 week