Trogdor: Remove VBOB rail control
Trogdor: Remove VBOB rail control

The VBOB rail is for backup only. Verified the hardware that it works
without this rail. Should be OK to remove the control of it.

BRANCH=None
BUG=b:143616352
TEST=Verified AP power on and power off.

Change-Id: I9632d881b590482a07482e23aba88bc7ffec4521
Signed-off-by: Wai-Hong Tam <04b587fdf5845741a0c5a8b9cd59ca72d73ef8fc@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1955108
Reviewed-by: Stephen Boyd <eeb31768d3df4444d6703fd44d40e628b44c8e77@chromium.org>

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