PECI/Power Improvements
- it8528e/peci.h: Add bit macros for register fields/values
- board/common/peci: use bit/field macros when setting registers
- board/common/power.c: fix setting PL4 when system not in S0
- Simplify logic for setting PL4 via PECI
- power off audio amp when not needed
Signed-off-by: Matt DeVillier matt.devillier@puri.sm
Edited by Matt Devillier