Sets RAPL PL1 power to ~6W.
Note: 7.5W setting gives a run-time 6W actual measured power.
Tested on GLK w/kernel 4.11.0 by reading MSR 0x610 at runtime
and comparing to measured power on an instrumented board.
Change-Id: I07caeb2895a579387025d3b0fb7f1d2c3d5e2665
Signed-off-by: Cole Nelson <colex.nelson@intel.com>
Reviewed-on: https://review.coreboot.org/19746
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>