Actually check the monotonicity of the ACPI PMTMR ten times, only delay for
0.9 miliseconds at most, and bail out early if some problem is determined.
Reported-by: NJochen Voß <jochen.voss@googlemail.com>
Signed-off-by: NDominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: NIngo Molnar <mingo@elte.hu>