dooly: update LED PWM channel
dooly: update LED PWM channel

This CL update white LED PWM channel to match schematic.

BUG=b:163574191
BRANCH=puff
TEST=verify white led breath when DUT in suspend.

Signed-off-by: Zick Wei <3d0b14a1e83601e71d11cd2c38ee93ff1dbbc737@quanta.corp-partner.google.com>
Change-Id: Ie1e7cffa126c07fa25183458dadf9322ddcc73c4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2486761
Reviewed-by: Andrew McRae <44ad1424cfc8411c96d9181798ca41ae55709dfb@chromium.org>

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