09dc60cfaf
The LPIT is the part of the "standardized" way that one can enumerate various power state information on Intel platforms. The documentation for this change can be found here: http://www.uefi.org/sites/default/files/resources/Intel_ACPI_Low_Power_S0_Idle.pdf Reviewed By: jhb Approved By: jhb Differential Revision: https://reviews.freebsd.org/D15931