SYV682x: Stop VCONN configuration if there is OVP
SYV682x: Stop VCONN configuration if there is OVP

If a VBAT OVP is triggered while VCONN is being configured, a PPC
re-init will reset the PPC. But, the VCONN configuration would undo this
because it is a RMW.

Instead, if VBAT OVP is triggered, don't update the VCONN state.

BUG=b:171461736
TEST=On a Voxel which experiences VBAT OVPs, ensure that it recovers
from these
TEST=make buildall
BRANCH=None

Signed-off-by: Eric Herrmann <12250e28c55eb76c3d4c0703db67acc60d621e70@chromium.org>
Change-Id: I427c43144c8774627783908c0d921fa170686f7f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2572236
Reviewed-by: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>

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