krane: Reverse BC12 OE in order to fix USB
krane: Reverse BC12 OE in order to fix USB

While we're trying to enable BC12 with CL:1575050, we should unblock a
few people from using USB by reversing this pin.

TEST=USB works (both kernel and firmware) without "gpioset BC12_DET_EN 0"
BUG=b:122866184
BRANCH=None

Change-Id: Ie54be2351908c2b60b998c5666b39c6d465b358c
Signed-off-by: Alexandru M Stan <1784cbba6d7675b1eba55eaefe41c7672ad9da3b@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1603476
Commit-Ready: ChromeOS CL Exonerator Bot <fa429e5907f00867f797423aea74327bb02c91b6@appspot.gserviceaccount.com>
Reviewed-by: Yilun Lin <2f2733c7206ea2b76bd2db1905cc5e8a75841c48@chromium.org>

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