Leave the GPIO as low, without pull-up, so that system can boot
without battery.
Also remove uneeded pull-up on USBC[0|1]_5V_EN.
BRANCH=none
BUG=chrome-os-partner:61998
TEST=Boot poppy without battery
Change-Id: Ib7a334d5e4ecf1ea434354b3b161111cf005418c
Reviewed-on: https://chromium-review.googlesource.com/430530
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Shawn N <shawnn@chromium.org>