ACPI / PMIC: Use common LPAT table handling functions

The LPAT table processing functions from this modules are moved to a
standalone module with exported interface functions.
Using new interface functions in this module.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>