Update git submodules

Update git submodules

* Update docs/submodules/barometer from branch 'master'
  - Merge "Update functest to fix failing tests"
  - Update functest to fix failing tests

    * MCE log plugin was failing becaue it wasn't enables
      * Updated a check for kernel version to match Fraser
        compute nodes on Apex
    * RDT was failing when virtual compute nodes were used
      * Add check to detect whether compute node is a VM
      * Skip RDT when running in a VM
    * Gnocchi metrics were failing
      * increase the wait time between checking metrics
    * CSV checks were failing on Hugepages
      * functest was assuming that tests were running on
        a system with at least two NUMA nodes
      * Only check for metrics on node0 of the system
    * Report was showing FAIL even if a test was not executed
      * Update the report output to show SKIP instead

    JIRA: BAROMETER-91
    Change-Id: I4f70fc84fce80054a7aca2116357b0233f355f70
    Signed-off-by: Emma Foley <emma.l.foley@intel.com>