Update the new state machine spec with CLEANWAIT
Update the new state machine spec with CLEANWAIT

This patch introduces the CLEANWAIT state to the new state machine spec.

Change-Id: I195ecd90e7e4165504da5ac330cee3fc7c3039c2

openstack/ironic-specs,naterh/ironic-specs,NaohiroTamura/ironic-specs,bcornec/ironic-specs