ilo_iscsi driver do not validate 'boot_option' in properties['capabilities'] of node

[Shivanand Tendulker]

ilo_iscsi driver do not validate boot_option capability in set in the properties/capabilities. This can lead to deploy time failure.

Add check for validation of boot_option in validate() method.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/164414

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/164414
Committed: https://git.openstack.org/cgit/openstack/ironic/commit/?id=b51d3275323f743f4dd288a1c09b56fa433a9c85
Submitter: Jenkins
Branch: master

commit b51d3275323f743f4dd288a1c09b56fa433a9c85
Author: Shivanand Tendulker <email address hidden>
Date: Sat Mar 14 01:01:52 2015 -0700

    iscsi_ilo driver do not validate boot_option

    iscsi_ilo driver do not validate the correctness of the value
    given to the 'boot_option' in properties['capabilities'] of
    the node.

    Change-Id: I40bb559757d9353be18e17cde76c880f62c47033
    Closes-Bug: 1432097