blooglet: override battery LEDs to indicate system suspend
blooglet: override battery LEDs to indicate system suspend

As meep, careena and snappy we have some SKUs are non-power LED design,
blinking both two side battery white LEDs (1 sec on/1 sec off) to indicate
system suspend with non-charging state.

BUG=none
BRANCH=octopus
TEST=make sure both two side LEDs are blinking white after system suspend.

Change-Id: I2839309acb91e365b98b5aac024bb7d7ebf287eb
Signed-off-by: Devin Lu <052fe648504800b810f29702ef4f3db83fad68bf@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1771099
Reviewed-by: Marco Chen <cddf73c2eeb445eb5022e73c23b1c49a27aefb07@chromium.org>

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