core: Disk hotplug validation - Patch 1 of 2

In the method isInterfaceSupportedForPlugUnPlug a hard-coded validation
was replaced by information from the osinfo file.

Change-Id: Ic2e4c792b607429daf077c11820b43f171d376b7
Signed-off-by: Gustavo Pedrosa <gustavo.pedrosa@eldorado.org.br>