Revert "kevin: bd99955: Enable power save mode."
Revert "kevin: bd99955: Enable power save mode."

This reverts commit b2c844d349f5c784f02bba9db142da862a11b4e0.
BD99955 power save seems to prevent clearing or reading correct status
from interrupt status registers.

BUG=chrome-os-partner:57915
BRANCH=Kevin
TEST=Build + boot on kevin

Change-Id: I49cf500bea469d99bcf853aaaad503f279b0d855
Signed-off-by: Shawn Nematbakhsh <5259333ce42e3ace6a73988cec7115ed9d3a661a@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/390322
Reviewed-by: Aseda Aboagye <12c9b286316a940fd31c24070da5ab64cdd4d0e7@chromium.org>
(cherry picked from commit d37ceea62a0ed015b7a4fb99312e08c55ff10cfa)
Reviewed-on: https://chromium-review.googlesource.com/415485
Commit-Ready: Shawn N <5259333ce42e3ace6a73988cec7115ed9d3a661a@chromium.org>
Tested-by: Shawn N <5259333ce42e3ace6a73988cec7115ed9d3a661a@chromium.org>
Reviewed-by: Shawn N <5259333ce42e3ace6a73988cec7115ed9d3a661a@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec