This commit adds logic
* to determine whether irmc hardware type is enabled
* (if enabled) to install python package python-scciclient & snmp
into DevStack code to support construction of Ironic environment
with iRMC supported Fujitsu server through DevStack.
Story: 2008722
Task: 42066
Change-Id: Ie50d8e4b43cdbfd8cd46333a75de20015e67829e