volteer: Disable vSave0V direct checks
volteer: Disable vSave0V direct checks

The vSafe0V bit isn't working in the PS8815 TCPC.

BUG=b:158520242
BRANCH=none
TEST=make buildall
TEST=Volteer, confirm that SNK devices can be detected with TCPMv2
stack.

Signed-off-by: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>
Change-Id: I7760fda39cac4c73d58a82c63aff85dfdef9eb3e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2244018
Reviewed-by: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@chromium.org>
Reviewed-by: Abe Levkoy <2e1ad7039298f93262cf06bbb457275fb3e2ecb5@chromium.org>

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