Updated openstack/openstack
Project: openstack/requirements  3d2d409b72f63db00adc75960b68f346a0669bab
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Ironic requires pyghmi>=0.5.8

Ironic import pyghmi exceptions, however it is ready in pyghmi>=0.5.8
Enable this in requirement first, then Ironic will use it

Change-Id: I29b70d622f06e4304209dd958e17dc27c437dc7b
Partial-Bug: #1264945