open-iscsi: upgraded package to upstream

Upgraded sys-block/open-iscsi to version 2.1.9.

BUG=b/327616831
TEST=Tested ISCSI volume IO through trident CSI driver in an autopush
GDCE cluster

Change-Id: Ief837883db29bb6268e1ead58b7213f7c17a93cf
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/portage-stable/+/66071
Reviewed-by: Oleksandr Tymoshenko <ovt@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
8 files changed