Update git submodules

* Update external/autotest from branch 'master'
  to 88878ce65b027e8c3d7cb1fa5eb10bdcfff3edc5
  - FAFT: Drop the support of Lumpy and Stumpy
    am: f166158000
    
    Change-Id: Ia6a6af3704086cc31c0663d42b905c78c0c3f914
    
  - FAFT: Drop the support of Lumpy and Stumpy
    
    Lumpy and Stumpy reached AUE.
    
    BUG=b:127960655
    TEST=None; trivial config removal. These config won't be used as
    FAFT won't be executed on these boards.
    
    Change-Id: If89a4a133ad03885f439651a0c074566396a47fd
    Reviewed-on: https://chromium-review.googlesource.com/1529392
    Commit-Ready: Wai-Hong Tam <waihong@google.com>
    Tested-by: Wai-Hong Tam <waihong@google.com>
    Reviewed-by: Kevin Shelton <kmshelton@chromium.org>
    Reviewed-by: Joel Kitching <kitching@chromium.org>
    
1 file changed