zinger: increase discharge timeout and fix fault condition
zinger: increase discharge timeout and fix fault condition

Increase discharge timeout delay to 275ms, which is the new
tSrcSettle time. Also, fix fault condition so that we reset
immediately upon receiving a fault.

BUG=chrome-os-partner:35330
BRANCH=samus
TEST=load on zinger and test with firefly many 20->5V transitions
without a discharge error

Change-Id: I13bc5d77889a37390603c6922c84b264c77d79ac
Signed-off-by: Alec Berg <1a4429eeda29095a12e19a73405f80f5b7f37a63@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/240399
Reviewed-by: Vincent Palatin <70a9964ec8fd10b0b08fcc8623c2add25ddf99ac@chromium.org>
(cherry picked from commit a989f13843a3e6301262d9c7ed8d3c36141fb94d)
Signed-off-by: Alec Berg <1a4429eeda29095a12e19a73405f80f5b7f37a63@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/240653

thehobn/ec,thehobn/ec,thehobn/ec,thehobn/ec