This change patches zmq GarbageCollector to use zmq.Context()
from eventlet.green instead of default zmq.Context().
It was identified that sysinv-agent process was hanged. It was blocked
on zmq garbage collector recv() call. Replacing the Garbage Collector to
use the green Context solves the issue.
Test Plan:
PASS: Build package with build-pkgs -p pyzmq
PASS: Build ISO
PASS: Install on lab, configure ACC100, backup system
PASS: Reinstall and restore system, then host-unlock
Closes-Bug: 2060867
Change-Id: I229a8a4c70ebb4d7056fa2ff60bfc910bf12b257
Signed-off-by: Alyson Deives Pereira <alyson.deivespereira@windriver.com>