Mount /lib/modules folder in ironic-conductor container
Mount /lib/modules folder in ironic-conductor container

/lib/modules is required for load kernel module. ironic-conductor
will load iscsi_tcp kernel module during starting.

Change-Id: Id953638f68e0fa1c268f173e3dd9b3390598bd93
Closes-Bug: #1672245
Depends-On: I1dd7d1a8cd67bbdfc1262b39aa96997c12681900

dardelean/kolla-ansible,dardelean/kolla-ansible,dardelean/kolla-ansible