This commit updates the proliantutils version
required in Ironic to 2.1.0 for K release. This
version of proliantutils includes the following
functionality:
* Enablement of RIS protocol for Proliant Gen9
servers on which uefi secure boot feature depends.
* Functionality for node inspection using *ilo drivers.
* Functionality for node cleaning.
Change-Id: I09db1eca7fb6d383edaeac5da909d9bb84a8a009