Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Merge changes from topics 'baremetal-noha', 'move-maas-classes'

    * changes:
      [noha] cinder: Align VG name with HA scenarios
      [reclass] Move system.single class to common
      [maas] Add reclass storage definitions for all
      [reclass] Move MaaS classes to common dir for NOHA

  - [noha] cinder: Align VG name with HA scenarios

    Prepare for MaaS integration in NOHA scenarios by aligning cinder
    VG naming across all scenarios.

    JIRA: FUEL-382

    Change-Id: I0cd7accf573ae0904efddd7aa67d880f2a6deb71
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
  - [reclass] Move system.single class to common

    Include system.linux.system.single class globally in the common
    section, preparing for MaaS NOHA node definition.

    JIRA: FUEL-382

    Change-Id: Icdfb2a90f356cd537631abe653950c0c30020551
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
  - [maas] Add reclass storage definitions for all

    Reclass storage definitions for mas01 node should be added to all
    ha/noha scenarios, only when/if baremetal cluster nodes are involved.

    JIRA: FUEL-382

    Change-Id: I455b07894b68eb89903df94352159ea6519275b0
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
  - [reclass] Move MaaS classes to common dir for NOHA

    Prepare for reusing MaaS-related reclass classes for NOHA scenarios.

    JIRA: FUEL-338

    Change-Id: Ic8ddd5915563f58643ef8c7ac4055a1000db7d45
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 9b10645..b466cb8 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 9b106457ce0cc0d4d03115ef94c3b386164ea051
+Subproject commit b466cb8270ebf9515d6acbad4d4dcfe28af47dd6