On EC reset where PMIC_EN will be pulled low,
PMIC could get into an unknown state and will
not sequence properly on sub-sequent boot.
This is a temporary workaround for Reef Proto,
a hardware change will be implemented on EVT.
BUG=chrome-os-partner:53974,chrome-os-partner:54507
BRANCH=none
TEST=Reef powers to S0 and starts coreboot after EC reset
Tested with servo cold reset button
and console reboot command
Change-Id: I32aa004b000895da2c97d1014a8ef48c0a98779d
Signed-off-by: Kevin K Wong <kevin.k.wong@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/354762
Reviewed-by: Shawn N <shawnn@chromium.org>