poppy: Fix USB_C[0|1]_CHARGE_L default GPIO setting
poppy: Fix USB_C[0|1]_CHARGE_L default GPIO setting

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 <f3daba1cdc403799935674d3cd4b0e5bd1804232@chromium.org>
Tested-by: Nicolas Boichat <f3daba1cdc403799935674d3cd4b0e5bd1804232@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